This gifset is half Castiel being genuinely oblivious and half Dean being 10000000000% done.
ONE OF MY FAVORITE THINGS IN SUPERNATURAL
IS WHEN THEY SHOW DEAN AND CAS SHARING THESE AWKWARD “WHAT THE HELL’S GOING ON BETWEEN US” MOMENTS
AND THEN THEY CUT TO SAM
You shouldn’t have done that. How could you do that?!
and this is why Dean is not allowed to do the puppy eyes ever