They are always arguing and the two are crying after, it drive's me insane ! My sister is really rude and my mom scream a lot. My sister sai's that my mom do anything for her but that's not true, she does a lot ! I can't take it anymore, what should I do ?

(scuse my english, I'm french)

I guess your sister is teen, right? :) If so.. don't worry, it's perfectly normal. Teens always go through that period when they think no one understand them , etc. It'll pass eventually but may be you should talk with you mom, tell her that their fights bother you, and ask them both to try to be more patient to each other.. And I hope everything will be fine :) Good luck! :)

No, not eaven she's 22 years old ! o.o but thanks for your help, I appreciate it ! :)

You just have to deal with it. I mean you have to let them do what they got to do. If you were to start getting in there fights it would only make the fight turn on you. Hope everything works out OK.