My (30f) sister (33f) is pressuring me to be her surrogate. I said no, now my family is shunning me.

I posted this in relationships a little bit ago but it was inexplicably locked. I think this sub is an even better fit though. I would appreciate any advice, especially from people who may have been in a similar situation.I'm a 30f with one young kid. I didn't have any trouble getting pregnant and my pregnancy and baby were healthy.My sister is 33 and has been trying for the last five years to get pregnant without any luck. She's recently exhausted her options including IVF and has been told that her only chance at having a biological child is a surrogate. She wants me to be her surrogate and is willing to pay me a substantial amount to go through the process.The problem is I just don't want to. I didn't enjoy being pregnant and I just got my body back after years of hard work. I know it's selfish but I don't want to ruin the progress I've made and I don't want to take on any possible health risks or complications for a kid that won't be mine. I'm also concerned I would become emotionally attached to the baby and would become resentful at best or totally unable at worst about giving the baby up.When I rejected my sister's proposal, she completely lost it. She basically feels like I'm punishing her by not giving her something she's wanted for so long. She accused me of being controlling and holding this over her head because I've always been jealous of her (she is definitely the prettier sister) and using this as an opportunity to punish her. I admit we didn't get along well when we were young but I'm not that petty. I don't have anything against her now.The issue is she's poisoned my family's opinion of me as well. My parents think I should view this as a precious gift that only I can give. That's total BS in my opinion, she can absolutely find a surrogate, the surrogate just won't be related to her. She would also have to pay more for a stranger than she was planning to pay me. It's not about money for me, I care much more about my body and my health - but if it were about money I would definitely ask for the going rate and not what she's offering me (still a lot - 5 figures)I'm willing to burn bridges with my sister, because honestly I think she's being unreasonable and if she can't see that then fine. But I don't want to lose my whole family over this. I don't know how to persuade my parents to see my side of things. They're so focused on my sister's pain. Every conversation I've had with them recently circles back to them trying to convince me to consider surrogacy. It's like what I would be going through is just some trivial thing in comparison to years of infertility in their minds.What do I do? Should I just stop talking to everyone and wait for this to die down? I don't want to permanently damage my relationship with my parents by being the daughter who bailed when my sister needed help - but at the same time nothing is going to make me change my mind about this. I just want the same amount of compassion my sister is receiving.tl;dr - infertile sister wants me to be her surrogate - I said no. Everyone in my family is on her side, wants me to change my mind. What do I do? via /r/Parenting https://ift.tt/2JePWPH