I am not sure how to separate a hobby from plain interest, the real hobby I do is building scale models, from plastic cars to wooden ships, although I don't hav

I am not sure how to separate a hobby from plain interest, the real hobby I do is building scale models, from plastic cars to wooden ships, although I don't have enough time for it. I like to read, and have an interest in watches but don't count those as hobbies though.