aaah, erm... hahaha, well, that is what talking two years in IRC with your girl will do: make you add emoticons whenever you write - . - see? agh. Im so used ot it that is almost unconsious. the XD is a dude with his eyes wide shut (x) and laughing loud and heavy (D) so, it forms a little tin, sided face: XD
dont ask. really.