Video games...I just dont get the obsession

So i have got to say that i just do not get why video games are so obsessed over. I mean almost every guy ( not to single any particular gender out, but i personally dont know any girls that are into video games as much as some dudes). Anyway, take for instance my roommate he can sit down and play a video game for hours upon hours. It amazes me how much time people put into them, not to mention how expensive they are. My other roommate bought her boyfriend a game for v-day and it was $60. Thank god im not into them because i would be playing the same game over and over agian because im broke ass poor about 90 percent of my life haha. Well when it comes right down to it its not my place to tell people what to do with their time. And i must admit i love guitar hero, but keep that on the DL. ;0)