Yesterday morning I pulled a shoulder muscle and later on in the day I said "Oh my goodness" as it twinged. My almost 13 old daughter said "Oh, do you have any?". I thought she was mucking about and said haha etc. Then I said "you don't really mean that do you?". She said "Well, let's just say that if you do, you've hidden it very well down deep inside'. I was so upset I walked out and refused to give her the lunch I was in the process of cooking for her at the time. When I did that, she claimed she was joking but I didn't believe her. I cried like a baby all afternoon she hurt my feelings so badly and I can't remember ever crying at anything she has said before.
Then this morning I got out of the shower and my 7 year old son started talking about my tummy and called me a big fat panda. I'm 5'4 and weigh 9 stone, 6lbs. So not super thin but not overweight for my height either. Obviously didn't cry like a baby over this one but still hurt all the same. Have sent both kids out with their dad and don't feel like talking to either one of them ... ever again! For at least two days at least... 
Yes, it is almost that time of the month so probably more sensitive than usual but AIBU to feel like quitting being their mum (only half joking about feeling that way)? How do you react when your kids say hurtful things? Do you just let it slide or do you pull them up on it?