We are all possessed - more or less.
And what, bhikkhu, is inward rottenness? Here someone is immoral, one of evil character, of impure and suspect behaviour, secretive in his acts, no ascetic though claiming to be one, not a celibate though claiming to be one, inwardly rotten, corrupt, depraved. This is called inward rottenness.”
Just as a chunk of salt, cast in water, loses its form and keeps only its taste; so does one who deals with the deathless loses himself in that reality.