My boyfriend is a lier but i love him?

My boyfriend lies and goes out with his cousin and 2 other girls behind my back i catch him and tell me that they were just duin this.and later i find out they went some wer and even took pics.All i wanted from him was honesty but seems like he caint do it i love him alot n i broke up with him yesterday and i miss him already:did i do the right thing?or what should i do?i feel like he does wana be with me but he just caint be honest.ohh and he goes out with dis people more than me like last week he went out with them like 4 times and only he only came and see me sunday like for 5 hours..i miss him alot