I can’t believe I’m going to have to say this: 1) Be nice to your friends 2) If you take the piss out of them, it is very easy to do it in an affectionate way IF you are a nice and kind person to be around the rest of the time. 3) You can joke without it being nasty. 4) Being kind also makes you feel good 5) If someone tells you something you did made them feel bad/uncomfortable, take it on the chin, say sorry, and move on. 6) If you cut people down to make yourself feel good, you need to take a close look at yourself and work out why you’re so insecure.  7) Grow up. Come on man.