Whether it's drinking, partying, smoking, cursing or indulging in fatty foods — everyone has a vice. But for many people all it takes to kick that habit is a positive pregnancy test, ultrasound picture or the actual birth of their babe. Still it takes others longer to let go and some parents like TLC's most famous dad of multiples, Jon Gosselin, don't have a problem mixing child rearing with occasional pleasures. What did you do?