User blog comment:Rafe Adler/"Who We Are" and "All Along the Watchtower" Discussion/@comment-2020973-20170519043108/@comment-1975828-20170519124100

Crowley has never been the same since Sam pumped him with human blood in Season 8.

Lucifer has never been the same since Sam reimprisoned him in Season 5.

Castiel has never been the same since he became God in Season 6.

People change.