history: I was eating some food at a restaurant when I found a hair in it. I didn't NOT want to eat any more! I was eating some food at a restaurant when I found a hair in it. I didn't NOT want to eat any more! I know how you feel that would gross me out too.  Makes me feel like whoever prepared my food was not very clean.
current: No, it just feels yuck. It pretty much makes you lose your appetite. 
next: I agree, I wouldn't be in the mood to eat after that either, it's disgusting.