Is this inappropriate? Do i have a right to be upset?

Boyfriend of 5 years has a girl best friend who has a son.. his best friends son is my boyfriends god son.. they have been friends since middle school and their both 26 (I’m 23.) they hang out sometimes which I don’t mind but he goes to her house to spend time with her and her son..

My question for the poll is - am I wrong for feeling a certain kind of way about him going there + is it inappropriate?

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