Knowing the line between joking and disrespect?

Okay I am pretty much a laid back person and never really took anything seriously. A lot of times even though people may make fun of me (disrespectful or just joking), I just brush it off. A lot of times I don't know the line with them being disrespectful or joking so most of the time I just brush it off, because I don't let it bother me. Sometimes I have people say that I should stand up for myself. The thing is to me it was just a joke and it is nothing. Also I have a feeling that girls might not like me because of this.



Recently I have been thinking what is the difference between just joking and disrespect. The reason for this is I don't know if people think of me as weak and don't respect, because I don't let much bother me. So trying to figure out how to get people to respect me and to know if I am being respected?
Knowing the line between joking and disrespect?
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