- The first impression, consisting mostly of looks
- Whether laughs are at the right jokes including yours
- A unique and different life experience from yours
- Clothes that appeal to your taste
- Finding the same types of situations ironically funny
- A talent which could be musical, artistic, spoken, sport-related, etc.
What is it about people that you find interesting? That separates the ones you want to know more about from the ones you don't?