The possibility of seeing something special, whether it is an individual or a team performance. That moment is forever ingrained in your mind, and that is why people come together, because there is always that chance that you come witness something that you'll remember for the rest of your life.

Attraction, forces that draw people together.

Never doubt that a small group of thoughtful, committed people can change the world: Indeed, it’s the only thing that ever has. [Margaret Mean, Political Savvy, Systematic approaches to Leadership, LRP Publications 1992]

that you have meet this person in another life

A feeling of safety and a sense of shared purpose.

A common feeling.

A feeling of community and shared experience.

Everybody's common interest. The fact that one can say that he or she was a part of something incredible, having the chance to say, "I was there! I can't believe it either!" or something of that nature is just a completely mind boggling experience. Anything is possible.

the reason for them to be together in the first place......... iwould say shared interests

an extension of the self.