I think Prim will be the last one to come around. A little role reversal there because why would her perfect sister want to be with an angry drunk? 

Even if he did rant to her about how much he hates the Capitol, Prim would just be like, ...okay, Gale. And let him talk. 

Aw, you don't ship them anymore? I think they're sort of sweet. I've never shipped Cinna with anyone before.

That sounds a bit extreme, lol.