Ship/Member: Any
Major Tags: N/A
Additional Tags: idolverse (if including BBB square(s)? otherwise, non-famous is okay too!)
Do Not Wants: None

Prompt:

"When did all our lessons start to look like weapons pointed at my deepest hurt?" —Taylor Swift, Happiness

i'm also thinking about this in relation to these two BBB squares: "exploiting intimate knowledge to keep each other limping along and the product functioning" and/or "knowing exactly which buttons to push for maximum reaction"