What do you qualify as video game addiction?

I used to love to write music during my spare time. Now, it seems, when I’m through with homework or even before homework or even before I have to pick up my girlfriend from work I tend to think about squeezing in a game of StarCraft2 (online computer game). I think I’m addicted and its getting the best of me. But I tend to defend it with a particular psychology. I simply view the game as how one might approach chess since it is a strategy/war game. It’s not like a one button kind of game full of crazy sounds aimed to hook people. Any advice? Any hope?