AITAH for refusing to go on a family trip unless they disinvite my nephew’s friend? I (43M) am really close to my family, consisting of my siblings, their spouses, their kids, and my parents. Every year we go on a vacation this time of year for two weeks, and come back right before Christmas. We are supposed to leave a week from today. I am the divorced, single, sole parent to my daughter (15F). She jokingly calls herself a nerd; she’s weird, she’s quirky, she likes anime and video games...