What is this feeling? (Destiel)

After all of the drama of the Angels and Demons and Lucifer. Sam and Dean wanted to go back to the family business and help people and save people's live again. They enjoyed it. Castiel decided to stay with Dean and Sam cause he has nothing left. One night Castiel had a dream about him and Dean. Then when he woke up, he couldn't even look Dean in the eye cause he was so embarrassed. Then Castiel started to have a strange feeling. He wonder what was this feeling. All he knew is he wanted to be alone with Dean and have Dean all to himself. Will Castiel get Dean or will Dean reject Castiel and make him never come around him and his bother ever again?