Not just a dream

Dean shot up from is bed in a cold sweat "it was just a dream" he thought to himself. Dean couldn't get the dream out of his head. What if he were to die before he told cas how he felt, hunters don't exactly have the live till you are old and grey type life, and then there was the fact of if Cas felt the same way or if he even could he is an angel not human with a soul like dean.