I'm just hoping I remember who I am when I'm 90.

If a dozen people I have encountered in my life remember me when they're that age, I would be surprised. My parents and siblings probably will, maybe my ex-spouse, two or three people that have been close friends, and a few former coworkers.

I'm mostly a loner though because I have a very difficult time making and keeping social connections.

My grandparents certainly will. It's only about five more years. My parents too, probably.

20,493901531919196

I counted seventeen.

If they can still remember anything, a few dozen or so.

definitely more than 20, I don't know if more than 100; i travel a lot, and humans mostly cultivate relationships through proximity.

Remember or think about?

Pretty sure most anyone who's ever met me will remember me if someone prompts them. As for outright think about, family for sure, and maybe a few former colleagues and friends, although in some cases it might be an unpleasant flashback.

I can only hope that if I occur to them at 90 it isn't what finishes them off.

All of em

None. Humanity isn't going to last another 40 years.