Firstly, thank you Kari for the nice comment (I really feel welcomed on this forum, kinda nice).
Ghost, I think you are wrong in thinking that one is unlikely to develop new interest passed a certain age. I agree that most of the time, you discover what you like when still young. But, let's say that I am a guy who comes from a country that hate music, in this country, it is a general belief that music in an incarnation of the devil. I live there until 40 years-old but someday I decide to move to another country. I start hearing music everywhere, at first I am afraid but bit by bit I start to enjoy it. Then, maybe several months after my moving, I discover myself a passion about music and can't stop listening to it. Would you find that weird that I developed a passion at 40+? Maybe that passion was always inside of me and never got expressed because of the popular beliefs in my country... And now I have to ask you, could that be my case, maybe I always wanted to wear diapers but didn't express it because of popular belief?
Food for though don't you think? Anyway thanks for the comment, I always like a little intellectual challenge
Have a nice day everyone