ok, but imagine the monsters down in purgatory like, "well I got killed but purgatory isn't too bad. at least I get to continue doing my thing w/out worrying about hunt -- HOLY FUCKING SHIT IS THAT A WINCHESTER?
In all honesty I truly believe that dean is in love with cas and cas knows that. Cas is in love with dean and cas also knows that too, but they are both still so afraid to take the last tiny step. Especially with all that happens in their lives.