My poor FI is trying to figure out if my (somewhat estranged) dad should be invited to his bachelor party. On top of this, he's also trying to figure out if my mom's long time boyfriend (basically my primary father figure) should be invited as well. My dad is kind of immature and hates the boyfriend but the boyfriend has no qualms with my dad. Is it in my fiance's best interest to just not invite either of them? What's the proper protocol when it comes to this event?
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