Just go back and re-play every single game in your collection, in every permutation, on every difficulty level. Then download the construction set and mod yourself a pillow fort.
Is http://www.fileplanet.com/145328/140000/fileinfo/DOOM-3---Super-Turbo-Turkey-Puncher-3 allowed?
read a book go out side play with friends get a job do your homework ride a bike join a sports team learn a skill exercise walk the dog plant a garden relax
I was doing all that stuff but then for some reason my Sims 2 game crashed and I can't get it working again.
Chess is always good. Playing, reading about, or even watching replays of famous matches on youtube, I'm chess obsessed. (Although I'm not sure someone who got bored of Deus Ex so quickly would be a good candidate for a chess partner )