02/21/2011 12:42 pm ET Updated May 25, 2011

Carlos Leon: I'm Bad At Disciplining Lourdes

Their own relationship didn't last, but Carlos Leon found the love of his life thanks to Madonna -- their daughter Lourdes.

"I'm forever grateful to [Madonna]," Leon tells PEOPLE. "I have no regrets. I wouldn't change anything. I got the best thing out of that relationship, and that's my daughter. My daughter is everything to me."

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