Having thought about this a bit more I think hobbies are recursive. I buy a motorcycle. I talk about the motorcycle. I ride the motorcycle. Riding motorcycl

Having thought about this a bit more I think hobbies are recursive. I buy a motorcycle. I talk about the motorcycle. I ride the motorcycle. Riding motorcycles is a hobby now. The motorcycle needs maintenance. I talk about the maintenance. I do the maintenance. Motorcycle maintenance is a hobby mow. A part is unavailable. I talk about making the part. I buy a welder. I make the part. Welding is a hobby now.