Should I be worried that my girlfriend added a guy on Instagram who she danced with on a cruise at the club?

tsd8124
Girlfriend told me that her and this guy danced with each other on a cruise. she said that they did not grind or anything in sexual manner... so it was no big deal.. but now she told me that she wanted to add him on her instagram.. should i be worried?
Updates
+1 y
i went to add him on instagram and he has me blocked... weird
Should I be worried that my girlfriend added a guy on Instagram who she danced with on a cruise at the club?
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