@Syndrome When most guys get in a realationship, they want to be around their girl a lot because this deepens the bond between them, lets them learn about them, and greatly increases the chances of s*x. But the showing up at your door when you told him not to is an A-hole move not a pshyco move, the crying is a bit of manipulation to get out of trouble still not a pshcyo move just a sign of immaturity. Instead of saying you don't like it and leaving it at that, lay down the law, tell him that you find it disturbing and are questioning if you should contiue the realationship or break up. And if he still doesn't stop, then dump his A$$ for being an immature moron.
I am wrath, I am war, I am... Death.