The best you can do so far is impress him at the gym by lifting heavy weights, then in battle compliment and grapple him
My grapple option disappears after i compliment him. Maybe i have to grow bigger again, for it to reappear? Or do those actions grapple, compliment, grapple, need to happen back to back?
edit: don't worry, i didnt realise it needs time to recharge, and i just got the scene. but swore i wouldve grappled after grappling and complimenting before! thanks though!