Uhh, really? You need three whole reasons to wash your face? There should only be one reason: to keep it clean. Come on, man. Take some pride in your appearance. Or some pride in basic hygiene, rather. Still need convincing?...
You spend your teenage years praying that you won’t get a boner in public, then before you know it, you’re dreaming of someone pointing and laughing at your awkward erection just so you know that it still exists.