Family Troubles... Please Help

Taylor • Girl Momma to 3 Princesses! 💕 Homestead Wife
Hey everyone ! So here's my dilemma. In just under a month I'm flying to my home town to visit family. My boyfriend is hoping coming with me however due to it also beig harvest he may not be able to join me! So I have an extra ticket. Which I have decided I might give to my younger sister to come with me! However my entire family is bitching because I'm not choosing to take my twin sister and her infant son. My reason why is she has no money, can't afford anything, only calls me when she needs something or to complain. She got pregannt on purpose, without anyone but me knowing (boyfriend included 🖕🏻 that's just wrong) and currently had her brand new car she couldn't afford burn to the ground. (Suspicious I think so!) now my father has found out I intend to take my younger sister instead of my twin and went off on my younger sister saying how I'm being a selfish bitch and I only want the attention on me and that's why I won't bring my twin. When the real reason is I'm not going on vacation to support her ass and waste a 800 dollar ticket on her when my other sister has agreed to pay half the ticket and spilt car rental with me! I'm 20 years old live on my own , pay my bills, support my self and live 4 hours from my parents ! Yet I feel like my father is trying to force me to choose something I don't want to do! It's ridiculous ! Anyways any input on what I should do would help! My head is about to explode from the stress and currently I'm not speaking to my father until he decides to take back what he said. All they do is give give give to my twin and I won't have it anymore!!