help me!!!!!!!!

my boy friend have been avoiding me for some time now,he doesnt want me to visit his house,his excuse being that the whole place is messy and he wouldnt want me to see. he hardly calls me,this makes me rush off to the bathroom every time to cry,even at my office,its making me loose concetration at work.i try to let him know how he is hurting me,but he keeps promising me he would change.the latest he does now is that Recently he has refused to pick my calls.he's not seeing someone else but i think he scared to give in every thing because he was really hurt in his previous relationship.i dont want to leave him cos i cant think of someone else loving him for me,am afraid of moving on because i v given a lot to the rellationship,my heart my body and soul i really dont want to leave him but he is hurting my badly .what should i do?[code][/code]