I love him so much but he's treating me so bad

hi, I’v being with my boyfriend more than 3 years.im 20yrs old for this december & he’s 25yrs old.he has been a very good guy to me but now he’s very bad. I mean he says that he loves me but I don’t feel anything like that from him.now he don’t cum to meet me, he doesn’t call me like he has done earlier & he doesn’t even sms me.now he only saying good night & I love u.somedays he comes to pick me from my office bt he doesn’t like to go out with me.when im asking the reason that you’re nt talkin, he says that he was too busy to sms me, to call me.everytime im trying to talk with him & solve these things but he dosen’t like to talk about problems.that time he’s screamin at me telling that I know only to ruin his day,I don’t have anything other than problems,im sick. he’s scolding at me like that.everyday,every night im cryin be’because of these things.bt he dosen’t care about that & me now.bt I want him so much.before 2 months I’v cought him chatting with other girls. he said that he did that only for fun & he apologized. bt he broke my heart & I can never forget that mistake he did.bt most of all he’s treating me so bad.sometimes he says that he loves me bt I don’t feel anything like that b’because of the wrong way he’s treating me.but when I stay closely to him,I feel that he loves me & he wants me too.bt when we are apart from distance he dosen’t care about me.bt earlier he has been very good guy to me,I felt his love & he was there for me.bt now I feel so lonley.I don’t know what to do?I love him so much.more than my life & I want him.I don’t want to live without him & I won’t live without him. because he’s my everything.bt I cant take these things anymore.that much he’s hurting me.im so fed up of my life & wish I was dead now & I just want to die soon. pls help me.is he loving me still?what shall I do?