NEW YORK ( TheStreet) -- Howard Stern told Piers Morgan that he considered retiring last year, but that his "neurotic compulsion" drove him to continue.

In an interview with Piers Morgan on CNN on Tuesday night, Stern said he thought about ending his famous morning radio program, The Howard Stern Show.

"Really, why am I doing this anymore?" Stern said he thought to himself a few months ago. "It makes me crazy. I hate getting up early in the morning and I don't particularly like doing the show."

Stern told Morgan that he is "driven by a neurotic compulsion" to continue doing his show.

"I think it's my identity," Stern said of his on-air radio personality. "This is who I am. This is what I do."

The self-proclaimed "King of All Media" has two channels in his name on Sirius XM ( SIRI) -- Howard 100 and Howard 101.

The shock jock signed a new 5-year contract with Sirius at the end of last year, ending months of speculation regarding his plans.

His announcement came less than a month before his original 5-year, $500 million deal with the satellite radio company was due to expire.

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