I have posted and read in this group in order to be supportive of loners. Being a loner is often a choice, and that is good. Some people are loners, though, because they are rejected.
I am taking a sabbatical from certain types of social situations, because I have been badly hurt. I have my husband, my grown children, and a few friends I see very seldom. I have a few acquaintances, too.
This is a healing and reevaluation time for me.
Come up with your own definition of a loner, and join if you feel like it. Be warned: you won't get many replies. This group is populated by loners, and they don't always have much to say!