I have a crush on my adopted cousins The older brother's name, let's call him Zac, is adopted by someone else, is it okay if I try to date him?

I really don't know what to do right now because I like him and I think he likes me (he keeps sending mixed signals tho) but I don't want my family to judge me and stuff like that.

I have a crush on my adopted cousins The older brother's name, let's call him Zac, is adopted by someone else, is it okay if I try to date him?
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