Yeah, I always thought that I really liked being alone (I'd get scratchy at people if I didn't get some time every day) and then I lived completely alone in a house and discovered that I like to have the option of being alone, but that it's really nice to have a 10 minute exchange with someone whenever you like. Now I live in a four plex that shares the same hallway and laundry room, amid a little village of other teachers. You can have space, but there are people nearby to visit nearly anytime.
I often feel lonely in groups of people though, especially at parties. I just don't have anything to say to a large crowd and by the time I've thought of how I could join in the conversation, they've moved on. Some people really don't like the one on one or small group conversation in that setting, which limits how much I feel good about being around there. Yet, the less I go to those functions, the less people think to invite me, and then....I feel lonely!