Overheard on the BART

• Old Man: Wow, no smiles on the train today?
• : :looks around::
• Old Man: No one? No one?
• Young Man: Me!
• Old Man: What?
• Young Man: Me over here! I have a smile.
• Old Man: Good, good, we need more.
• Young Man: Why aren't you smiling?
• Old Man: Because I don't have any teeth. You'll have to do the smiling for me.