Tattoos are forever , don't forget it! If you decide to get yourself tatted, perhaps don't let your craziest friends do the artwork for you. The temptation is understandable: if you can buy a tattoo machine online, can't anyone operate one? It looks and acts similar to a pen, so some people think they can pick up the artwork with no practice at all. Many hard partiers just shrug their shoulders and let their friends go wild, drawing or writing whatever they please. It makes sense in the moment:…