Postpartum??

I had severe postpartum depression with my first child. If it wouldn't have been for my husband I don't know how I would have done it!! I am now pregnant with my second child and my daughter will be 3 when its born. I am worried about my postpartum being as bad as it was. I don't know how I will do it with a newborn and a 3 year old if it's as bad as it was with my first. Anyone have any stories? If you had it with your first dos you have it with your second??