I think it's particularly a distinctively American concept that resonates with American culture through biker culture. A motorcycle is an independent thing. You're like 'I don't want to ride in a car with this person. I want to be independent and ride by myself. But let's ride in a group. Let's be independent together.'
In my career as an actor there is a catchphrase that Scofield always says often in regards to his brother 'Have a little faith.' In my own career as an actor there were times when I was the only one who believed in myself in the face of the odds.