1. He needs to shave
  2. He's wearing a decorative scarf
  3. Knit cap, regardless of the weather
  4. The neck of his t-shirt (or v-neck) is way too deep
  5. You'll catch him looking at himself in any (and every) reflective surface
  6. Necklace or bracelet
    Usually it's one or the other, but in some special cases, he'll have both
  7. He works the phrase "pilot season" into every conversation