David Arquette Admits He’s Having a Nervous Breakdown

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 Jesse Grant/WireImage.com

David Arquette is losing it — just ask him.

During another rambling, painfully honest radio appearance on the Howard Stern Show Wednesday — his third since his split from Courteney Cox — Arquette, 39, admitted he's on shaky ground indeed.

Even the unflappable Howard Stern was concerned. "Are you having a nervous breakdown?" the shock jock asked. "I believe so," a raspy-voiced Arquette replied.

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During his one-hour chat, Arquette said that "everybody is worried and concerned about me," and that he's seeing a psychiatrist weekly.

He admitted he's been partying pretty hard — especially at a recent holiday party hosted by Adam Sandler, in which he drunkenly called Tom Cruise "Sean." "I was a little wasted," Arquette says. "Someone says 'Hi David!', and I said, 'Hi Sean! Then I realized it was Tom Cruise. And his beautiful wife [Katie Holmes] was there."

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Cruise wasn't offended, Arquette said. "Tom was cool about it…I was so embarrassed. I was like 'I gotta get the f*** out of here.'"

Why the heavy drinking? "I've been drinking a lot because I'm heartbroken," he said. "It's really a personal, traumatic thing."

But he added that he had a "semi religious" epiphany recently: "When I drink, I become a maniac." Arquette said he's not drinking at all anymore. "When you wake up and reality hits you, it's hard."

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As he's said before, his estranged wife Cox, 46, "didn't want to be my mother. But I kind of need a mother."

He's lonely, too. "I want love in my life," he said. "I need love in my life."

The father to Coco, 6, wants more kids — and he wishes the mom could be his ex girlfriend Drew Barrymore. "I know she is with Justin Long and everything, but would cool would an Arquette-Barrymore child be?" he said. "From a pure breeding standpoint."

He put another obscure rumor to rest: "I [am] not messing around with Kelly Osbourne."

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