Do I Say Hi?

Do you remember the person's name?

Is it an ex?

Are you drunk?

Do you want to rekindle and/or give 'em what for?

Are you in a convertible with Brad Pitt and/or Rihanna?

A friend's ex?

An enemy or frenemy?

Are you robbing a bank?

Are you in a bathrobe?

Is there time to flee?

Could you pretend to get a call on your cell?

Are you wearing sunglasses?

"Hello, doctor. What are my test results?"

"Keep walking."

Address the person using an amusing nickname such as "Sarge", "Slugger", or "Master Blaster".

Don't say hi.