Thanks for your message- is definitely NW1 at least, they say best cause of action is prevention as well but if got sides would come off. Hair around hairline seems a little thinner too in certain lightings. And temples are a bit dodgy imo nowYou honestly don’t need to .
You have a teenagers hairline . I think your dad being an NW7 has made you cautious that genetically you could do down this route and maybe in the future you will but definitely no sign now .
honestly switch off worrying and check every six months . Unless you see any signs don’t explore meds or bloods . Waste of money and energy .