I usually prepare a track and then I work with the artist when it's time to do the vocals.
I don't think he's permanently affected me except in the sense that I miss him. I miss being him. Or trying to be him. He is one of a gallery of characters that have had an impact on my career and therefore my life.
From reading over the notes for each session it was apparent that there had been improvement by more or less regular steps from almost complete terror at sight of the rabbit to a completely positive response with no signs of disturbance.