John Cena tweets about 'hardship' following split from Nikki Bella

John Cena is finding strength in hardship. 

In his first tweet since the public announcement of his split with fiancee Nikki Bella, the 40-year-old WWE wrestler wrote of perseverance through hard times. 

"Hardship, loss, and humility are extremely difficult waters to navigate," he tweeted on Monday. "But perseverance thru them builds a strength to withstand anything life throws your way." 

On Sunday, Cena followed the announcement of the split -- which came via a statement on Bella's Instagram -- with his own Instagram post, sharing a Simpsons meme captioned: "Worst day ever!" 

A post shared by John Cena (@johncena) on

The pro-wrestling power couple, who had been together for six years, famously got engaged at last year's Wrestlemania 33 after they won the mixed tag team match. 

More recently, there were hints of troubled waters and the Blockers star opened up to ET in March about the "hard work" that goes into a relationship. 

"It's a weird thing that our relationship is public for the world to know, [but] what a good takeaway for the folks at home -- relationships are tough," Cena said at the time. "It's hard work, and a lot of times, it has to do with looking at yourself." 

 

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John Cena and Nikki Bella together
John Cena proposes to Nikki Bella during WrestleMania 33 on Sunday, April 2, 2017 at Camping World Stadium in Orlando, Fla. (Stephen M. Dowell/Orlando Sentinel/TNS via Getty Images)
2017 MTV Movie and TV Awards ? Photo Room ? Los Angeles, U.S., 07/05/2017 ? John Cena and Nikki Bella. REUTERS/Danny Moloshok
AUSTIN, TX - MARCH 13: Professional wrestlers John Cena and Nikki Bella attend 'Featured Speaker: John Cena' during 2017 SXSW Conference and Festivals at Austin Convention Center on March 13, 2017 in Austin, Texas. (Photo by Katrina Barber/Getty Images for SXSW)
John Cena proposes to Nikki Bella during WrestleMania 33 on Sunday, April 2, 2017 at Camping World Stadium in Orlando, Fla. (Stephen M. Dowell/Orlando Sentinel/TNS via Getty Images)
Cast member John Cena (L) and Nikki Bella attend the premiere of "Blockers" in Los Angeles, California, U.S. April 3, 2018. REUTERS/Phil McCarten
LOS ANGELES, CA - MARCH 11: John Cena, Nikki Bella arrives at the Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
LOS ANGELES, CA - MARCH 11: Host John Cena (L) and professional wrestler Nikki Bella speak onstage at Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Frazer Harrison/KCA2017/Getty Images for Nickelodeon)
LOS ANGELES, CA - MARCH 11: John Cena, Nikki Bella arrives at the Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Steve Granitz/WireImage)
John Cena and Nikki Bella on stage at the 30th Annual Nickelodeon Kids' Choice Awards, March 11, 2017, at the Galen Center on the University of Southern California campus in Los Angeles. / AFP PHOTO / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
LOS ANGELES, CA - MARCH 11: Nikki Bella (L) and Host John Cena backstage at Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Alberto Rodriguez/KCA2017/Getty Images for Nickelodeon)
LOS ANGELES, CA - MARCH 11: Host John Cena (L) and professional wrestler Nikki Bella speak onstage at Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
LOS ANGELES, CA - MARCH 11: Professional wrestlers John Cena (L) and Nikki Bella at Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Alberto E. Rodriguez/Getty Images)
LOS ANGELES, CA - JULY 13: John Cena and Nikki Bella arrive at The 2016 ESPYS at Microsoft Theater on July 13, 2016 in Los Angeles, California. (Photo by Gregg DeGuire/WireImage)
NEW YORK, NY - MAY 16: John Cena and Nikki Bella attend the 2016 Fox Upfront at Wollman Rink, Central Park on May 16, 2016 in New York City. (Photo by Noam Galai/WireImage)
INGLEWOOD, CA - JULY 31: Host John Cena (L) and WWE Diva Nikki Bella attend Teen Choice Awards 2016 at The Forum on July 31, 2016 in Inglewood, California. (Photo by Kevin Mazur/Fox/Getty Images for Fox)
NEW YORK, NY - MAY 16:Nikki Bella, John Cena, Brie Bella at the NBC Universal Upfronts on May 16, 2016 at Rockefeller Center in New York City. (Photo by Steve Sands/Getty Images)
July 12, 2017; Los Angeles, CA, USA; WWE wrestler John Cena kisses Nikki Bella as they arrive for the 2017 ESPYS at Microsoft Theater. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports
Cast member John Cena (L) and Nikki Bella attend the premiere of "Daddy's Home 2" in Los Angeles, California, U.S. November 5, 2017. REUTERS/Phil McCarten
WESTWOOD, CA - APRIL 03: John Cena, Nikki Bella and Ike Barinholtz arrive for the Premiere Of Universal Pictures' 'Blockers' held at Regency Village Theatre on April 3, 2018 in Westwood, California. (Photo by Albert L. Ortega/Getty Images)
AUSTIN, TEXAS - MARCH 10: John Cena (L) and Nikki Bella attend the premiere of Blockers at the Paramount Theatre on March 10, 2018 in Austin, Texas. (Photo by Gary Miller/FilmMagic)
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