I like diverse community, learning, sharing ideas, social aspect, etc.
I don't mind disagreement (it is healthy) but too much conflict, superiority complex and subtle insults. Those are times where I'm learning to take a step back.
Leaving a forum is caused by expulsion. But I do not know if I am able to leave on my own.
There are a few people here who will engage me in conversation. Whenever or if ever there proves to be no one then I will leave. Or if all I get is insulted I will leave. There are some very bright people here. It is why I stay. But if I find days gone by where nothing is worth reading, I will be sure to go. But it has never happened yet so I really do not know.
I remember two forums I left on my own. I left because there was no one there to talk to. Two I was expelled from Two I wasn't. This one makes five. I think I'm not forgetting any.
Often times I will leave a forum for a while if I am bored with the forum. Sometimes I leave the forum because I find that it has become a near occasion of sin for me. For example, a lot of times when I used to come to Religious Forums, I would be tempted to entertain doubts. This was partly due to my mental illnesses. And so I would choose to leave for a period of time until I felt more stable.