He's not sure what 'slut' means in the future; if it carries the same connotation it does now. But given what he knows about the circumstances, and the location, and the way she had carved it...it's very probable that it is the same.
"You aren't this. She chose a word that has nothing to do with your typical behavior. Why?"
no subject
"You aren't this. She chose a word that has nothing to do with your typical behavior. Why?"