If you're laughing yourself, everybody else is laughing WITH you automatically. No chance to laugh at you anymore
Don't mind if somebody laughs at you, it's great to make people laugh, even if it's not intentional.
OK, there are bad ways to laugh at somebody. But this kind of people will be annoying anyway, laughing or not they will treat you mean and you will try to avoid them.
For all the others I feel it's ok, they laugh at me once in a while. It even helps me, to keep seeing my life as a kind of tragic comedy, what in turn very often helped me out of seeing things to dark.
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Deep into that darkness peering, long I stood there wondering, fearing,
Doubting, dreaming dreams no mortal ever dared to dream before (E.A.Poe)