Everyone has that friend who's every day like 'I hate my nose I hate my nose I hate my nose.' You either need to come to peace with it and be like alright I hate it but it's part of me - or change it. So I'm not against plastic surgery I'm against plastic surgery when it doesn't really need to be done.
I would think flying would be pretty cool. You would be able to fly away from all your enemies and get where you're going much faster. But being invisible? You probably wouldn't use that for the good of man.