Adam Levine on 'The Voice': 'I don't know how I would do without it'

Adam Levine and Blake Shelton are the only two coaches to have been on all 12 seasons of "The Voice."

Other coaches Christina Aguilera, CeeLo Green, Pharrell Williams, Alicia Keys, Usher, Shakira, Gwen Stefani and Miley Cyrus have all sit in the spinning red chairs for at least one season, but Levine and Shelton are lifers. And the Maroon 5 frontman told Carson Daly and Matt Lauer why he can't leave the show on the "Today" show Wednesday morning.

SEE ALSO: David Cassidy's nephew, Jack Cassidy, stuns Adam Levine, Alicia Keys on 'The Voice'

After Lauer called attention to his presence on every season of the singing competition -- "You were so young when all of this began!" -- Levine expressed his disbelief in the "crazy" fact.

"12 seasons in, like, 5 minutes it seems," he said with a laugh. "It's such a crazy thing. [The show] is a family, too. It is such a tight-knit thing at this point that I don't know how I would do without it, almost. It's bizarre -- it's a permanent figure, it seems, in [my] life."

See photos of Adam Levine's bromance with Blake Shelton:

13 PHOTOS
Blake Shelton and Adam Levine bromance
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Blake Shelton and Adam Levine bromance
THE VOICE -- 'Battle Rounds' Episode 807 -- Pictured: (l-r) Adam Levine, Blake Shelton -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)
UNIVERSAL CITY, CA - NOVEMBER 24: Blake Shelton (L) and Adam Levine arrive for NBC's 'The Voice' Season 7 Red Carpet Event at Universal CityWalk on November 24, 2014 in Universal City, California. (Photo by Gabriel Olsen/Getty Images)
THE VOICE -- 'Battle Rounds' Episode 806 -- Pictured: (l-r) Adam Levine, Blake Shelton -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)
THE VOICE -- 'Live Show' Episode 715A -- Pictured: (l-r) Adam Levine, Blake Shelton -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)
THE VOICE -- 'Season 7 Top 10 Concert at City Walk' -- Pictured: (l-r) Blake Shelton, Adam Levine -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)
THE VOICE -- 'Knockout Rounds' -- Pictured: (l-r) Adam Levine, Blake Shelton, Pharrell Williams, Gwen Stefani -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)
UNIVERSAL CITY, CA - NOVEMBER 24: (L-R) Singers/tv personalities Blake Shelton and Adam Levine of Maroon 5 attend the Universal CityWalk Tree Lighting Ceremony at Universal CityWalk on November 24, 2014 in Universal City, California. (Photo by Barry King/FilmMagic)
HOLLYWOOD, CA - APRIL 03: Blake Shelton and Adam Levine attend NBC's 'The Voice' red carpet event at The Sayers Club on April 3, 2014 in Hollywood, California. (Photo by Jason LaVeris/FilmMagic)
UNIVERSAL CITY, CA - NOVEMBER 24: (L-R) TV personality Carson Daly, Singers/tv personalites Blake Shelton and Adam Levine of Marroon 5 attend the Universal CityWalk Tree Lighting Ceremony at Universal CityWalk on November 24, 2014 in Universal City, California. (Photo by Barry King/FilmMagic)
THE VOICE -- Episode 414B 'Live Show' -- Pictured: (l-r) Adam Levine, Blake Shelton -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)
PASADENA, CA - JANUARY 06: Coach Blake Shelton and Coach Adam Levine speak onstage during the 'The Voice' panel during the NBCUniversal portion of the 2012 Winter TCA Tour at The Langham Huntington Hotel and Spa on January 6, 2012 in Pasadena, California. (Photo by Frederick M. Brown/Getty Images)
THE VOICE -- Episode 102 -- Pictured: (l-r) Blake Shelton, Cee Lo Green, Adam Levine (Photo by Lewis Jacobs/NBC/NBCU Photo Bank via Getty Images)
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Levine also took the opportunity to note that the series is showing a trend of having two female coaches each season after years of only featuring one. Stefani and Keys are coaches this season, and Keys and Cyrus were coaches together in the fall.

"It's really nice, actually," he explained. "There was always the lone female who had to kind of fend for herself with these three frat boys in this group. It was tough. I don't envy it."

"The Voice" airs on NBC Mondays at 8/7c. The Battle Rounds start next week.

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