How can I help a friend whose boyfriend is controlling?

Is my friends boyfriend controlling or obssessed?

Im confused My friend had only been wit her boyfrind for 9 months now, they are only in their teens, everything esd fine the first 7 months but now it has changed.

He won’t allow her to her best friends house because there is a boy next door who talks her all the time and he thinks he likes her and wants to get with ehr( but i kno that my friend would take it no further than just friends) She is a very pretty girl, not cocky but she has never betrayed him, she held him down while he was locked up,she drives him everywhere, she may be a b— and say mean things but what female doesnt get an attitude here and there!!

she isn’t allowed to hang out with males, he is always accusing her of looking at other guys all the time even when she really isnt, she can’t go to the club, she has to tell him her every move, he is mad at her all the time for every little thing, she cant have males numbers in her phone book, hang out with sume of her old girlfriends anymore, not allowed to drink around anyone but him, when he doesnt wanna go out somwehere and she does he makes her feel bad so she is forced to stay home with him, he takes her phone all the time when he is mad at her, etc.

recently he has been text messeging other girls and saying things to them he shouldnt wen he has a girl, and calling other girls, and hitting her when he’s mad

. He tells her he acts like that because she does stupit things, and she has a bad attitude, and he wants her to know how it feels when the person you “love” is doing dumb stuff.

I don’t know how to give her advice anymore I feel truly bad for her because she can’t leave him alone and she knows she shouldnt be with him, She is constantly in tears and calling me needing advice.

Just today… he tells her after 9 months that he doesnt believe that she is right for him. afer all this i love you bull—.

So is this boyfriend F’n controlling or what??!! and do you think he is with another girl on the side. what should i tell her? how can she leave him? etc.!!!