M.K.
I had to laugh when I read "how many of you were still feeling exhausted after 4 months?" I'm still feeling exhausted after 46 months!!! Give yourself a break, Mama. The postpartum period lasts 12 months and you are deep, deep in the throws of it.
Raising children is NOT easy. And I agree with you...I thought the first 9 months (with the first child) were the toughest and most tedious. But hang in there...I started to feel a bit more like myself around 5 months. And it got better and better each month after that. Then, when your child is 9 or 10 months old and sleeping for 12 hours in a row, you will begin getting the sleep you need and will feel like a renewed woman.
Best wishes!
PS...Most OBs recommend waiting for 12 months after a c-section to start another pregnancy, to give the uterus the necessary time to heal. I'll tell you the same thing I have told my close friends: Having 2 children very close together was brutal. It's much better now...but I always tell my friends to put a minimum 2 years between their children. The greatest lesson I learned by having a second child was just how easy I actually had it when I had only one. :)