Extended-Phenotype Your have until the age of 25 to establish who your local team is (home town, place you grew up, place you buggered off to the minute you could escape the parents, place you ended up living in because that's where your crappy job is) and then you have to stick with it.
If you ain't lived there, you can't support them. If you do, it's a police matter.
Wizard has never lived in Reading but supports them and goes to games - i believe he supports them due to family members