Reasons people travel

Escape nagging wives
Follow sports
Groupie
Collect shot glasses
How many starbucks can YOU go to?
Family crises
Art collection
See famous zoos (really just San Diego Zoo)
Adopting other peoples culture
Learn new vocabulary
Picking up chicks
Tax benefits
Get in on the foreign shoe action
Break into the music scene
Find true love
Escape true love
Escape oppression
Skip bail
Avoid prosecution (or execution)
See the Eskimos (or other things on verge of extinction)
Nomadic tendencies
Get jetlagged
escape
They just like airports