I honestly can't tell until a person acts like a total a-hole toward me. I know when I don't like others, but I don't go by that so much because I'm wrong just enough. Not often, but there have been a few times I ended up becoming friends with some I didn't at first like, so I try to always hold out the hope that I am wrong when I don't like somebody.
The thing is, when it comes to others not liking me, I just don't care so I don't bother thinking about it.
I'm a likeable guy, and almost never give anyone any reason not to like me, so if someone doesn't, who doesn't even know me well...
What do I care?
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I'm not likely to be around much longer. As before when I first signed up here years ago, I'm finding that after a long hiatus, and after only a few days back on here, I'm spending way too much time here again already. So I'm requesting my account be locked, banned or whatever. It's just time. Until then, well, I dunno...