@ibly I see it like watching murder in movies - totally fine to think/fantasize about too unless you go out in the real world and act upon it, That's when it becomes a crime. That's the example I shared with one of my friend's, and it made them accept me more.
Here's a fun little secret about yours truly. I love daydreaming about being an adorable little sister and having a big bro or sis to play with me. Just how it goes.