Can a guy answer my question?

Ive been dating this guy for 7 years the 1st 5 it was fine the last 2 years we been drifting apart cuz its my fault i cheated on him and lied he keeps saying we are not going out then the next min we are he does this all the time but we do things what a couple does right now we are not dating but i go to his house every weekend we sleep together last week he went out with another couple he said it was not a date but but i know it was he is not seeing anyone he said he wants to find someone ales but if he did he would of left he tells me he is waiting for someone to cross his path but he works and he does not have time to find someone the only time hes not in work hes with me the couple he went out with they found him the girl he was with i am nervous everyday cuz i think they might find someone he likes and i dont want to lose him i will just loose it i will go crazy i told him its like loosing your arm after having it all you life i dont have anyone ales my own family disowned me my mother ped away hes been they for me what should i do