Please help me my heart is breaking?

have been with my boyfriend for a year and a half, we were fine until i fell pregnant, i then lost the baby at three months, we stayed dtrong through this and he was great, but then we started to argue all the time, the only time i am happy is when im with him, i feel lost without him being by my side, we had an arguement last night and now he wont talk to me, im in pieces i love him sooooo much but we argue over anything stupid, plz help!!! some advice? i dont want to give him up, i love him too much xxxxxxxx