[quote=@Tank O The Lake]
<Snipped quote by ZAVAZggg>

The growth and change part works, but since Withers can't feel any joy beyond sadistic glee, the new experiences part doesn't quite work out.
[/quote]

Also sadism counts as an experience. I mean it is a thing you do and receive feedback from after all, so...

[i]
ex·pe·ri·ence
/ˌikˈspirēəns/
Learn to pronounce
noun
practical contact with and observation of facts or events.
"he had already learned his lesson by painful experience"

encounter or undergo (an event or occurrence).
"the company is experiencing difficulties"[/i]