Should I keep writing about this 13 year old girl for 5 years or more until you ban me?
Probably not. Why do you want to write about a 13 year old girl for 5 years?
Because I want to know what is she doing now. Other answers range from because I'm a pedo to because she is a famous idol
Admiring a young person is fine, unless you have pedophile intentions. Only think about girls your own age for now, then you won't have a hard time with others about it all.
All other people try to defend themselves.
Maybe they are defending themselves because they feel guilty about taking a sexual interest in a child. It would not be good to be seen that way by others.