Should i be liable for all this responsability?

-Ok me and my aunt r really close so she got pregnant last yr so when she went back to work i watched the baby for her until this yr and we made a agreement that i would watch her until she was like 1 and sum change so i could go back to school. So then this yr she has another baby and expects me to watch the other baby so i'd be left with both kids. O hell no i shouldnt have to do that, thats not my responsability at all and rite now her and her fiance r having issues and shes stressed and has postpardum depression so i know now isnt the time to tell her and when i do tell her i dnt kno what to say and i feel bad in a way but i have to do what is right for me any advice???you should not have been expected to take on the responsibility in the first place, the child is not yours. it was nice of you to do so. you should not be expected to take on the responsibility of the second child. you have your own life to live and should be encouraged to do so. i think you need to talk with your parents about it, and then talk with your aunt. hopefully one or both parents will support you and be with you when you talk with your aunt
Stay with the original plan of one year. This is your aunt's problem and not yours. She got pregnant again thinking she could stick you with watching another baby. Go to school and tell her you are staying with the original plan. You don't owe it to her to be her babysitter. Your aunt sounds very selfish but I think you already knew that. Didn't you?