Funnyman Kevin James blames his stand-up comedy career for his larger-than-life physique - insisting years of late nights and lie-ins has ruined his metabolism.

The actor, currently promoting new movie Paul Blart: Mall Cop, insists he was once slim, svelte and fit, until pursuing his stage ambition.

James tells the New York Post, "I wasn't always a big guy. Stand-up ruined it for me. I would be sitting at dinner at 2 in the morning after a show, and I wouldn't wake up until 3 o'clock the next afternoon. That set a pattern that wasn't great for my metabolism."

But now that he's stuck with his size, James is determined to model himself on some other funny fat guys. He says, "I've always liked bigger guys who were able to move, like Jackie Gleason, (John) Belushi and (Kevin) Farley."

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(This news article provided by World Entertainment News Network)