I post a lot because I live alone in an isolated area and have all the time in the world, being retired. I don't think that makes me a sad person who wants to open my lap top before I have made my first cup of tea. In fact, I often look at Facebook first!
I am not part of any group and as has been said, the only person I have ever met is juragran. I am hoping to meet up with another member when I visit my sister in Manchester next week.
I have invited several members to pay me a visit - not in pm's but on the open forum - but so far it has not been convenient for anybody to come.
I have found that I am on the same wave-length as many members when it comes to religion and politics, both subects which interest me greatly. I do not 'know' these members and we do not form any organised group - we just tend to support any posts with which we agree. Similarly, there are many people who do not like my stance on these subjects and I can expect them to be very critical of virtually anything I post. Good - I can't imagine anything more boring than everyone agreeing on everything!
I was a late joiner but felt at home instantly, even though many people already 'knew' each other. I did (do) find it hard to remember the details of people's lives - if they were married/widowed/divorced/single, whether they were working, if they had problems with their family, where they lived, etc. and I often have to put somebody's name in the search box and look up their previous posts.
So far, Nellie, you seem to me to be a really good contributor to various threads and I am sure if you stay with us you will get to feel more and more at home.
If you are shy in 'real' life, it is probably harder to join in - I must say that shyness has never been one of my problems!