Hello mam. I am in a relationship with a boy and we both love each other and also want to get married but he doesn’t trust me at all.
I tell him everything, yet he thinks I am a liar and alleges that am cheating on him. He doubts me in every single thing even he don't allow me to talk to any guy or girl not even my friends and he doesn't like when I step out from my home.  
He gets scared when I step out or get to my college. He keeps reminding me to not to cheat or not to talk with anybody. All these things got me into stress and frustration and I feel so bad that the person I love doesn't trust me.
We had lot of fights because of this. He abuses me and makes me angry.
As I am a college going student, I can't manage my studies because of fights and his bad behaviour.
He always tries to prove me wrong and make me feel guilty. He thinks very bad about me and makes his own stories adding fake stories and allegations. 
In the past 2 years there is not a single day when I didn't have to explain him. But he is not ready to accept. He only wants to hear what he thinks not the real truth if I say that u are misunderstanding me he says no he is 100% right and you are wrong. One of his friends put one story 2 years ago with a girl hiding her face and the top she is wearing on that picture. I have the same top and he knows it. He doubted that the girl is me. I am tired answering his doubts. I got so much anger and feel disrespectful.
I love him; he is my first and one and only boyfriend.  I do everything for him. But he treats me rudely he always starts his conversation with doubt like: where are you coming from? even if I didn't go anywhere he thinks that I went somewhere to meet someone. He tortures and abuses me like this. Every time I forgive him but he kept repeating that behaviour. 
I can't even live without him. I give him my love, time...my everything.  But I didn't get anything.
He thinks that I always do things by planning but I don't. He thinks that I always want to ruin his life, break his heart or cheat him but that's all wrong.
He is making his mind so negative he thinks so negative about me. Because of his doubts problem I don't talk to anybody -- no friends, no guys but he thinks that I am talking to any guy and I'm lying that I don't I give every possible proof but he didn't trust me at all.
He thinks that I tell people about him I gossip about him but I didn't do that I didn't even talk to anybody. He doesn't even want to breakup with me.
I explained him that for our peace we have to separate he didn't want that also. He put such bad allegations on me about my character, my sexual status.
I am a virgin but I didn't accept that. He makes me feel so sad and helpless I don't know what to do I’m helpless I didn't even share these things with anyone.
Sometimes I feel suicidal also.  He has just all control over my life my mind but also he didn't give me respect, love or value.
Plzzz help me mam what should I do with his doubts and trust issue. I am so depressed, plzzzz help me out. I’m stuck in it.