A comparison: Do the following apply to having sex, playing video games, both, or neither?

It's fun to do alone.
Both
It's more fun with another person.
Both 
It's the most fun with 2-3 good friends.
Video
Games
It's often a fertile topic for discussion between you and your friends.
Both
It's often a fertile topic for discussion between you and your parents.
Neither
Poor performances can be immediately reattempted.
Video
Games
It can be a ridiculously expensive habit to maintain.
Both
A successful session usually requires a combination of severe focus and mental alacrity.
Video
Games
A good soundtrack helps a lot.
Both
Alcohol might actually improve your performance.
Sex
Do it too much, and you'll start putting on weight.
Video
Games
Even when it's not that much fun, it's still more enjoyable than going to work.
Both
It's still fun over the internet.
Video
Games
It's hard to turn it into a source of income.
Video
Games
It's hard to turn it into a legitimate source of income.
Both
Bad personal hygiene isn't an issue.
Video
Games
There's furniture designed specifically for the activity.
Both 
…But any old couch will also do.
Both 
Yelling and screaming is understandable.
Video
Games
Yelling and screaming is desirable.
Sex
It's mostly uncontroversial when children are allowed to participate.
Video
Games
Clueless button-mashing sometimes works in your favor.
Both
Help guides are actually helpful.
Video
Games
It's fun to occasionally waste an entire weekend doing nothing but.
Both