Eating pussy gives him diarrhea

Edit: I'm not trolling, my husband really just said that to me during Sex. I'm really upset and it took a big blow on my self-asteem 
So my husband of 2 years just said (during sex) that he can't eat my pussy cause it gives him diarrhea. 
Being that he's been eating this same pussy for the past 4 years no problems. 
Am I allowed to be mad? 
Myself-esteem just hit rock bottom after this. 
I don't know if I really have some disease or if he's just being an Ass.