I dont know, I think apart of you is still grieving his death and you are not "over" his death...your coping with his death..maybe somewhere inside of you, you might wonder if you two would have been together today, had he not died? I cant tell you, but you can pray about it, pray to him and see if he answers your prayers...I have had many prayers answered if you are consistent. I believe that the ones who passed over can visit us in dreams as well, although dreams can be distorted and confusing, not all dreams about billy are him...pay attention to the message and dont take anything negative with you. Pray for him and pray to him. thats what I would do, maybe you need to heal apart of yourself from all this. Good luck and God Bless