here's abc's lindsay davis. if this scene from quick knocked up" looks like a scene right out of your life -- >> what do you think? should we have sex tonight? >> ehhh. i'm just really constipated. >> this is jack. she's the mother of two adorable girls. >> that right hip is moving back. >> a part-time yoga instructor and is also a dula who helps deliver babies at all hours of the day and night. like millions of mothers of young children -- >> that's not to play with -- >> -- jax can barely get through a conversation. and with her hectic schedule, there's hardly any time left in her day or night for this guy, her husband martin. >> hi. >> ever since having babies, jax says she and her husband have become virtual strangers. >> i'm going to prepare them and then you have to cook them. >> in one area in particular. would you say your sex life drastically changed post children? >> yes. it's pretty nonexistent. after your first when you're nursing, this is for your children only, not anyone else. it's all about the k