Is There Really Hope For Me? (Destiel AU)

Dean Winchester, goes to thearpy because he lost everything. he lost his brother, wife and parents. Castiel Novak is his therapist and is there for him, Always. Castiel begins to have feelings for dean but dean doesnt feel the same way, not until dean cant take it anymore and trys to self harm. But when castiel stops him is when dean believes that there's hope for something better. But will cas boss and family think the same way?