EXCLUSIVE: Richard Simmons' former pal says the fitness guru has 'stopped talking to many loving' friends


Richard Simmons' disappearance from the public eye continues to confound many, even to those who were once close with him.

The 68-year-old fitness guru was last seen in public in 2014, and now, his former massage therapist, Mauro Oliveira, is speaking to ET about his ex-friend's behavior.

WATCH: Richard Simmons' Rep Shoots Down Latest 'Hostage' Rumors

When asked if Simmons ever has friends over, Oliveira's message was clear: "Not at all."

"He has stopped talking to many loving, longtime friends, like Jerry Sinclair, the 95-year-old that is his second mother," Oliveira, who hasn't seen Simmons since April 2014, tells ET. "In fact, [Jerry] went to the house last year and the staff told her that Richard didn't want to see her."

35 PHOTOS
Richard Simmons through the years
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Richard Simmons through the years
Richard Simmons, circa 1980. (Photo by Getty Images)
UNSPECIFIED - CIRCA 1970: Photo of Richard Simmons Photo by Michael Ochs Archives/Getty Images
UNSPECIFIED - CIRCA 1970: Photo of Richard Simmons Photo by Michael Ochs Archives/Getty Images
GENERAL HOSPITAL - Shoot Date: December 19, 1979. (Photo by ABC Photo Archives/ABC via Getty Images) LOUISE HOVEN;RICHARD SIMMONS
GENERAL HOSPITAL - Shoot Date: October 6, 1980. (Photo by ABC Photo Archives/ABC via Getty Images) RICHARD SIMMONS
TONIGHT SHOW STARRING JOHNNY CARSON -- Air Date 09/28/1981 -- Pictured: (l-r) Political comedian Mark Russell, musical guest Tony Orlando, fitness expert Richard Simmons, guest host Joan Rivers (Photo by Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
American diet and fitness guru and author Richard Simmons, 1982. (Photo by American Stock Archive/Archive Photos/Getty Images)
LOS ANGELES - 1992: Actor Richard Simmons poses for a portrait in 1992 in Los Angeles, California. (Photo by Harry Langdon/Getty Images)
LOS ANGELES - 1992: Actor Richard Simmons poses for a portrait in 1992 in Los Angeles, California. (Photo by Harry Langdon/Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 261 -- Pictured: (l-r) Fitness personality Richard Simmons during an interview with host Jay Leno on July 12, 1993-- (Photo by: Margaret Norton/NBC/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 609 -- Pictured: (l-r) Richard Simmons and Tyra Banks on January 12, 1995 -- (Photo by: Margaret Norton/NBC/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 609 -- Pictured: Richard Simmons arrives on January 12, 1995 -- (Photo by: Margaret Norton/NBC/NBCU Photo Bank via Getty Images)
NEW YORK - FEBRUARY 10: American fitness guru Richard Simmons, center, is joined by two policemen and others in an outdoor workout session sponsored by the California Raisin Marketing Board on February 10, 2000 in Union Square Park, New York City, New York. (Photo by Catherine McGann/Getty Images)
LOS ANGELES, CA - JUNE 16: Fitness expert Richard Simmons leads students in exercise at the Third Annual Nutrition Advisory Council Symposium sponsored by LAUSD Nutrition Network at California State University on June 16, 2004 in Los Angeles, California. (Photo by Stephen Shugerman/Getty Images)
Richard Simmons (center right) with models in fashions by Jay McCarroll and Chris March at the Grand Central Station, Venderbilt Hall in New York City, New York (Photo by Jemal Countess/WireImage)
Fitness guru Richard Simmons poses for a photo while visiting the WGN studios in Chicago, Illinois, on May 8, 2008. (Photo by Abel Uribe/Chicago Tribune/MCT via Getty Images)
UNITED STATES - JULY 24: Richard Simmons leads the crowd on the Cannon Terrace in exercises during the 'FIT Kids' rally to promote physical education in schools, following their testimony at a House Education and Labor Committee hearing on Thursday, July 24, 2008. (Photo By Bill Clark/Roll Call/Getty Images)
NEW YORK - JULY 28: Richard Simmons visits the 'Late Show with David Letterman' at the Ed Sullivan Theatre on July 28, 2008 in New York City. (Photo by Jason Kempin/WireImage)
MOUNT POCONO, PA - JANUARY 08: Richard Simmons attends An Evening with Richard Simmons at the Mount Airy Casino Resort on January 8, 2010 in Mount Pocono, Pennsylvania. (Photo by Bobby Bank/WireImage)
TODAY -- Pictured: -- Richard Simmons appears on NBC News' 'Today' show. (Photo by Peter Kramer/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: -- (l-r) Richard Simmons and William Shatner appear on NBC News' 'Today' show. (Photo by Peter Kramer/NBC/NBCU Photo Bank via Getty Images)
WASHINGTON - APRIL 22: Richard Simmons celebrates the passage of the Fitness Integrated with Teaching Kids Act with a group of tourists at the US Capitol on April 22, 2010 in Washington, DC. (Photo by Paul Morigi/WireImage)
(L-R) A guest, Richard Simmons and Denise Austin attend the godfather of fitness Jack LaLanne's 'Celebration of Life' memorial service at Forest Lawn Cemetery on February 1, 2011 in Los Angeles, California. (Photo by Brian To/FilmMagic)
LAS VEGAS, NV - JUNE 10: Richard Simmons (R) during the 2011 Miss USA hula hoop contest Mile Shops on June 10, 2011 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)
LOS ANGELES, CA - AUGUST 30: Richard Simmons is seen on August 30, 2011 in Los Angeles, California. (Photo by JB Lacroix/WireImage)
NEW YORK, NY - NOVEMBER 15: TV personality Richard Simmons leaves the 'Wendy Williams Show' taping at the AMV Studios on November 15, 2011 in New York City. (Photo by Ray Tamarra/Getty Images)
WEST HOLLYWOOD, CA - OCTOBER 25: Richard Simmons at the Legendary Musician Peter Asher Autographs The Painted Guitar Titled 'British Invasion' At Gibson GuitarTown Sunset Strip Sunset Strip at Sunset Strip Market on October 25, 2012 in West Hollywood, California. (Photo by Jonathan Leibson/WireImage)
KATIE - 4/10/13 - Obesity in America and childhood weight issues are discussed on KATIE, distributed by Disney-ABC Domestic Television. (Photo by Donna Svennevik/ABC via Getty Images) CHARLES HAINES, RICHARD SIMMONS
LOS ANGELES, CA - JUNE 02: Richard Simmons attends the Elizabeth Glaser Pediatric AIDS Foundation's 24th Annual 'A Time For Heroes' at Century Park on June 2, 2013 in Los Angeles, California. (Photo by Jason Kempin/Getty Images for EGPAF)
WEST HOLLYWOOD, CA - JUNE 09: Fitness personality Richard Simmons attends 2013 LA Gay Pride Festival - Day 3 on June 9, 2013 in West Hollywood, California. (Photo by Rodrigo Vaz/Getty Images)
LOS ANGELES, CA - JULY 01: Richard Simmons performs at the Friend Movement Campaign benefit concert held at El Rey Theatre on July 1, 2013 in Los Angeles, California. (Photo by Michael Tran/FilmMagic)
NEW YORK, NY - OCTOBER 09: Richard Simmons and Diana Nyad swim during 'Swim for Relief' Benefiting Hurricane Sandy Recovery - Day 2 at Herald Square on October 9, 2013 in New York City. (Photo by Ilya S. Savenok/Getty Images)
WEST HOLLYWOOD, CA - OCTOBER 13: Richard Simmons attends the 29th Annual AIDS Walk Los Angeles on October 13, 2013 in West Hollywood, California. (Photo by Michael Kovac/Getty Images for AIDS Walk Los Angeles)
NEW YORK, NY - NOVEMBER 28: Richard Simmons attends the 87th Annual Macy's Thanksgiving Day Parade on November 28, 2013 in New York City. (Photo by Noam Galai/Getty Images)
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Oliveira explains that this is a big change for Simmons, who was always "a people's person."

"He used to have friends over all the time, dinner parties all the time," he says. "That's why it bogs my mind that he decided to 'completely abandon the world.'"

"He always told me that his fans are the most important people in his life," he adds. "His fans are suffering. They wanted to Richard Simmons to have a formal goodbye."

WATCH: Richard Simmons' Iconic Exercise Studio Closes Its Doors: Hear the Fitness Guru's Heartfelt Goodbye Message

Oliveira believes that Simmons has been "terribly advised" by the people he surrounds himself with, telling ET, "They are doing a terrible job to take care of his legacy of himself -- to take care of the amazing life that he had helping people."

15 PHOTOS
Richard Simmons in his most recent appearances
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Richard Simmons in his most recent appearances
LOS ANGELES, CA - DECEMBER 13: Personality Richard Simmons post performance at SPARKLE: An All-Star Holiday Concert at ACME Comedy Theatre on December 13, 2013 in Los Angeles, California. (Photo by David A. Walega/WireImage)
NEW YORK, NY - NOVEMBER 28: TV personality Richard Simmons attends the 87th Annual Macy's Thanksgiving Day Parade on November 28, 2013 in New York City. (Photo by Ray Tamarra/Getty Images)
NEW YORK, NY - NOVEMBER 28: Richard Simmons attends the 87th annual Macy's Thanksgiving Day parade on November 28, 2013 in New York City. (Photo by Scott Roth/FilmMagic)
NEW YORK, NY - NOVEMBER 28: Richard Simmons attends the 87th annual Macy's Thanksgiving Day parade on November 28, 2013 in New York City. (Photo by Scott Roth/FilmMagic)
NEW YORK, NY - NOVEMBER 28: TV personality Richard Simmons attends the 87th Annual Macy's Thanksgiving Day Parade on November 28, 2013 in New York City. (Photo by Ray Tamarra/Getty Images)
NEW YORK, NY - NOVEMBER 28: TV personality Richard Simmons attends the 87th Annual Macy's Thanksgiving Day Parade on November 28, 2013 in New York City. (Photo by Ray Tamarra/Getty Images)
NEW YORK, NY - NOVEMBER 28: TV personality Richard Simmons attends the 87th Annual Macy's Thanksgiving Day Parade on November 28, 2013 in New York City. (Photo by Ray Tamarra/Getty Images)
NEW YORK, NY - NOVEMBER 28: TV personality Richard Simmons attends the 87th Annual Macy's Thanksgiving Day Parade on November 28, 2013 in New York City. (Photo by Ray Tamarra/Getty Images)
NEW YORK, NY - NOVEMBER 28: Richard Simmons attends the 87th Annual Macy's Thanksgiving Day Parade on November 28, 2013 in New York City. (Photo by Noam Galai/Getty Images)
NEW YORK, NY - NOVEMBER 28: Richard Simmons attends the 87th Annual Macy's Thanksgiving Day Parade on November 28, 2013 in New York City. (Photo by Noam Galai/Getty Images)
NEW YORK, NY - NOVEMBER 27: Richard Simmons attends inflation eve for the 87th Annual Macy's Thanksgiving Day Parade on November 27, 2013 in New York City. (Photo by Charles Norfleet/FilmMagic)
LOS ANGELES, CA - NOVEMBER 01: Personality Richard Simmons attends Stan Lee's Comikaze Expo Presented By POW! Entertainment - Day 1 held at Los Angeles Convention Center on November 1, 2013 in Los Angeles, California. (Photo by Albert L. Ortega/Getty Images)
NEW YORK, NY - NOVEMBER 28: Richard Simmons attends the 87th Annual Macy's Thanksgiving Day Parade on November 28, 2013 in New York City. (Photo by Noam Galai/Getty Images)
LOS ANGELES, CA - NOVEMBER 01: Personality Richard Simmons attends Stan Lee's Comikaze Expo Presented By POW! Entertainment - Day 1 held at Los Angeles Convention Center on November 1, 2013 in Los Angeles, California. (Photo by Albert L. Ortega/Getty Images)
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So what does Oliveira think Simmons needs to do?

"Richard should at least do a little video on YouTube saying, 'I'm fine, thanks for the concern, but I wanted to be alone, please leave me alone,'" he suggests. "He needs to show his face and tell the fans he's OK. By having a formal goodbye, people will stop having speculations about his life and they will leave him alone and leave him in peace."

Oliveira also shares a story with ET about one of his last visits to Simmons' home in 2014.

"I found him in bed at 2 p.m.," he claims. "I went upstairs. He let me in. I said, 'Richard, you need to get up, you need to eat, you need to drink water.' He said, 'No, I want to sleep. Leave me alone.' I said, 'Richard, please, you need to do something. You need to be taken care of.'"

"I saw that he really was very sleepy. He wanted to be left alone, so I respected his privacy. I went downstairs and I knocked on [his housekeeper] Theresa [Reveles'] bedroom," he alleges. "I said, 'Theresa, Richard needs help!' She said simply, 'I don't care.' That's it."

WATCH: Richard Simmons Speaks Out: 'No One Should Worry About Me'

When interest over the Sweatin' to the Oldies icon's disappearance first sparked last March, Simmons exclusively told ET he had decided he wanted to take time to be by himself. "No one should be worried about me. The people that surround me are wonderful people who take great care of me," he added.

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