If people have no social life, what do you think is a most likely explain for why they don't?

Chooses not to/Doesn't put in too much effort
Unlikable/Unable to fit in with any group
Timid/Socially Awkward
In the wrong geographic location
Select gender and age to cast your vote:
If people have no social life, what do you think is a most likely explain for why they don't?
Post Opinion