I don't know how it is for the OP, but I'm going to be 24 soon and haven't ever had a relationship that wasn't long-distance 90% or more of the time. I met every girl on the internet. I'm now wondering if I'm just too socially awkward, not physically attractive, or too outspoken to have a date with a girl.
In other words, I'm not so concerned about having a girlfriend now, but I am concerned about the possibility of it in the future, rejection, what society thinks of me, etc.
And yes, I've spent a good portion of my time telling myself/ trying to convince myself that society's opinions don't matter, but I'm also an OCD/Anxietyfag. Any psych students beyond the 300 level should have an idea as to how hard it is for me to change my patterns of behavior.