No social life, really. I went to a different high school than the people I went to elementary school and junior high with, so I didn't really know anyone, no one bothered to get to know me, and goodness knows I didn't have the courage or confidence to take the first steps on my own. There were a few classes where I answered questions a lot and the teachers really liked me because I was quiet and a good student, but otherwise, I was pretty much invisible, and have been ever since, to the point that I much prefer it this way now - I really don't want to have to handle a social life on top of everything else I'm dealing with. I was recovering from my first round of major depression (which lasted most of junior high) at the time, too.
For me, college wasn't a whole lot better, because living in a dorm, even when I managed not to get a roommate (had one my first year, it wreaked havoc with my mental health, solely because I'm not suited to living in such close quarters with others, nothing whatsoever to do with my roommate personally), it was a sensory nightmare, and I was also dealing with the effects of the aforementioned first year - and I was very surprised that people in the classes didn't act a whole lot better than people in my high school classes, I was expecting them to be more quiet and studious since they'd paid to be there and all.
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Yet in my new wildness and freedom I almost welcome the bitterness of alienage. For although nepenthe has calmed me, I know always that I am an outsider; a stranger in this century and among those who are still men.
-H. P. Lovecraft, "The Outsider"