Karen, I have never lived close to my kids, mostly because my experience has been that it just does not work out being together all the time. They and I need my space. We get along a lot better at a distance and for short visits, both ways.
I understand about the "elderly" people in your park. I am 71 , but I remember about 4 years ago, my California son took me to look at some of the senior Dell Webb complexes of small houses and small yards. I loved the little places, but when they started trying to sell me on the bingo, potlucks, ice cream socials, and stuff, it really turned me off. I decided I did not want to me somewhere where there was so much togetherness!! I suspect a lot of us on this forum tend to be more independent.
So maybe you need to stay put until spring and decide then if you can move to a different, slightly younger community, sell your mobile and get an apartment, or travel or whatever.
There are groups of seniors in some places where they do a call-in. In other words, they take turns making several calls in the morning to make sure others are OK. You can do calling and also be called. Actually, a few on this forum could organize something like that just among ourselves, especially those of us who have unlimited cell phone calling. Volunteering is also good because they would know if you did not show up.