You've got the marriage and the carriage, but are you still insecure? Last night on Parenthood, Joel got a bit anxious when he found out that Julia had contacted her ex-boyfriend Timm to solve a family problem. Julia could relate since she's had her own emotions about a mom in playgroup being attracted to Joel. Though a woman is in a committed relationship and has children, she may still feel a tug of jealousy when her partner's ex comes back into the picture. Do you? Why?