Plz help ! It's bad !?

Well 20 minutes ago I was being stupid and grabed a metal water Bottle and started to suck the air out. of it leading me to a giant chin hickey. I'm supper pissed and tmrw im leaving for florida . I'm the type of person that dosent like to be staired at. I know it was stupid but its big and bleu/ purple. I'm putting ice on it now . But how do I get rid of it. Plus now it's starting to fade but still !