7. Get Groomed the Smart Way

You're going to have to shave, or at least trim (let summer break be your experimental-facial-hair phase). If you want to keep some scruff, do it like our man Tom Ford here, and keep it cleaned up. And, you should plan your haircut at the right time. About one week before the big day is enough lead to allow your sharply shorn 'do to settle in. You don't want to pose for pics looking like you just got out of the chair.