Paul Sorvino, who plays Giggie's father, is actually five years younger than Joseph Bologna (Giggie).
Most people credit the "It's not your fault" line to "Good Will Hunting", but one of the earliest scenes in "Made For Each Other", in the group therapy session, contains this line, over and over. In this movie, it's pretty funny.
The film cast includes one Oscar winner: Olympia Dukakis; and one Oscar nominee: Renée Taylor.