Height, build, face, gaze, voice, clothing style, general presence.
Tattoos, piercings, scars, scent, recurring jewelry, accessories.
Traits, flaws, contradictions, wounds, ambitions, hidden fears, relationship to control.
Short sentences, irony, nicknames, formal/informal address, blunt/elegant/cold tone…
Runs hand through hair, avoids eye contact when lying, observes before speaking…
Forward, cautious, possessive, dominant, evasive. What attracts them, blocks them, how they handle desire and rejection.
Situations that anger, upset or break them.
Information to reveal only if the RP naturally approaches it (questions, trust, triggering scene).