Dr. Beth, I am the mother of 3 young children (7, 4, and 2) and I feel constantly overwhelmed.  My husband and I decided that it would be best if I stayed at home with the children until they are all in elementary school or beyond.  Even though I miss the adult companionship I got from being at work, I love being a mother and being home with my children.  Still, I am exhausted and never seem to live up to my own expectations.  Any suggestions?