My firends are being real jerks latley?? what do i do?

alright so lets put it this why i have to completly different friend groups but thats okay so one group is like goodie good and they dont do anything bad but when we are hanging out we have the best tiemes and i have been bestfriends simnce we were little kiddies and my other friend is like they like boy but they dont go out with them and we hangout with guys and they are all obssed with my ex boyfriend(carter) and so i had this best friend but wwe have been fight alot i beging to wonder if its worth it anymore she can be a real somethimes but were like sister i practilly live at her house were alwyas with each other and a couple weeeks ago she started hanging with this other girl carrie and thats when he started getting in fights we barleyu ever hang out please help me chang thiss and she gets mad that i hang out with my other friend group becasue i tell her she always ditches me so thats why i hang with them.