I think a black eye is pretty reasonable is Johanna is low enough to make comments about Prim and Haymitch. She might even throw in a few about Peeta and Gale just to really bother Katniss. I think Haymitch's intentions were to see how far both of them would go and if they were capable of working together. If they're going to kill each other then he won't want Johanna in the alliance. He might say something to Peeta about it like it matters, haha. 

take yo shirt off, gale~ and aw, that would be cute <3 at least someone is having a good day.

Maybe a half hour, forty-five minutes? I took my pills just now.