WTF!! Hubby "forgot" I'm a mom??!!

I was talking to him about Mother's Day today and he says...."ohh ya, I forgot that you're a mom and Mother's Day is for you too" ummm really???? Our son is 6 and I'm carrying his 2nd son right now!!! WTF he can be such a dumbass sometimes!!! He's lucky I love him so much!!! Anyone's SO ever done or say something so stupid before?