DotA is fun cause it's challenging and gives you some sort of satisfactory feeling (if u win, if u lose then it's stressful and you want to keep playing, either way, it's addictive). it was one of the factors that lead to my current bf
However i've had loads of girls-friends b*tching about how they hate their bfs being so into the game, and I don't understand why either -.- perhaps it's cause they see it as a pointless waste of time, but relationships are about compromising because there are a lot of things girls do that guys think are a total waste of time too.