If you give rep to someone randomly, they will ban your account for a certain amount of time. When you get back, if you do it again, you may get a Perma-ban. Then, if you create an account and do it again, you will prolly get IP banned.
"Sex is like a velociraptor: Despite your movie-fueled lifelong neurotic obsession, it is unlikely to be found in your house." ~XKCD