Your advice fail. You claim a person should be who he/she is, so changing and try to be someone else is bad, but they don't feel like how they look (they look like someone else), so they have to change to be how they feel.
As you see, your advice fail by it self. And waiting to 22-25 is not a good advice either, because Lucy know what she wants.
In what I can agree is if the person have a dissorder of personality or something like that. But lucy go (or went) to a psycologist and all that, so the problem of a mental dissorder is already taken in consideration (even so the feeling as other sex is classified as a dissorder, but that is other discussion for another moment).
Also you clearly show a problem with the reflection of your own sexuality. So please, don't try to talk about your experiense, because is obviously biased.

