Usally a guy is the person being jealous. when his good friend finially gets a boyfriend and instead of him being happy for her he is jealous its not him and tries to do anything to break them up.
Girl: Your my best friend so im going to tell you this first.... I have a boyfriend
Guy: Really........oh well thats nice *god I have to break them up i wanted to be her boyfriend we were friends for so long*
Girl: so arent you happy for me?
Girl: OMG! are you going threw jealous friend syndrom.
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