Joe Longo is a former executive and commodities trader with an MBA who lost his job, money and marriage in the wake of Mel's brother-in-law's Ponzi scheme and wound up living in his car. Seeing that Mel needed help raising her niece and nephew (and that he needed a job), he has agreed to be the live-in nanny to assist Mel and give advice to the kids.He was born in a U.S. Army hospital in Uijeongbu, South Korea, and raised in Secaucus, New Jersey. He also has a brother named Tony who briefly dated Mel and a sister named Teresa. It was revealed he has a 13-year-old daughter named Dani (Jada Facer) with a woman named Felicia (Brooke Burke-Charvet). He started dating Mel in A Decent Proposal . He proposed to her in Right time, right place and they get married in At Last . In season 4 he writes a book and in the series finale it is published, he is also invited to go on a book tour.