Contact from Ex-Boy

Why?  Why do they (men, Exes in particular) do this to us (women)?

I'm sitting at my computer, minding my own business, which an away message up.  All of the sudden I get an instant message from, who?  Ex-Boy.

Keep in mind I haven't seen or talked to Ex-Boy since December, and even then it was the first time since September that I had seen him.

I have a theory.

Ex-Boy has yet to find someone (aside from his other ex who he cheated on me with) to be romantically involved with since me.

I propose that he does this to keep me on his little hook.  He doesn't want me to get too attached, yet he still wants that option to be available for the times when he's wanting to get out some sexual tension.

Therefore after seeing me he will wait weeks, if not months, and then, like a slithering snake, sneak up on me, and out of nowhere strike up a conversation.

It's always very relaxed, and usually starts with him poking fun at me in his lame attempts to  be flirtatious.

This time I played it differently.  I was polite, but I stayed focused on what I was doing (studying).  The conversation started to dwindle and he said he had to go (probably to avoid anymore awkward pauses).  That was it.

This is me, finally over all of it.  Lets just hope he doesn't ask to hang out though... I don't think I'm quite that strong yet to say no...