There's often a direct correlation with the amount of time spent playing video games, and the amount of time spent engaging in a quality relationship. In the most extreme example I could find, there was a couple that was so consumed with playing video games that they ended up neglecting their 3 children — to the point that they were malnourished, naked, and covered in their own feces. Although that's an extreme case, I still think there's something to be said about people who spend the majority of their free time playing video games. My guess is that they're probably not dating or pursuing a meaningful relationship in their free time.
Update: A reader brought to my attention an online group dedicated to loved ones who have been affected by their partner's addiction to World of WarCraft (WoW). Their description includes the following
Do you have a loved one that plays World of Warcraft so much that you feel like you are a widow? This group isn't just for wives, but for anyone, husbands, girl or boyfriends, mothers, fathers, sons or daughters, or anyone that has had a relationship effected by this addictive game.