> How could anyone contradict an individual who states their own gender - on what grounds can you claim to know how someone feels about themselves better than t

> How could anyone contradict an individual who states their own gender - on what grounds can you claim to know how someone feels about themselves better than they themself do? Because people lie about themselves all the time. Especially teenagers. We don't take every claim made by teenagers about their feeling as true on face value. We know they're practicing how to deceive people as part of growing up.