history: I work in a restaurant and I spit on a customers food for the first time. I feel a little bad about it I work in a restaurant and I spit on a customers food yesterday.  Oh my_comma_ why on earth did you do that?
current: He was being really rude, but I still feel a little bad about it. 
next: As you should, spitting in food is never the right answer. Hopefully you learned something from this.