My mother lectured me about Motherhood one day:
You are the Mother. You are the one who made the ultimate choice to bring your child to this world. You are "more responsible" for your child than your husband is... so don't whine about your husband not helping out.
...despite the fact that both my husband and I said the same marriage vows to love and support each other through good times and bad times, and I also hold a full time job that draws a comparable pay cheque as my husband, and I also occupy about the same surface area as my husband...
I am still trying to come to terms with that...