As this article asserts, it may be a combination of genes on these x and y chromosomes that determine gender. For many it may be psychological or caused by social contagion. Gender is not what we as human beings are sexually attracted to. If you have a good health care provider, they will likely offer counseling after a skin transplant following severe burns that might alter your physical appearance for instance. This is considered a psychological ailment, and it ought to be. If she has fully transitioned, he may never know the difference.
Thus far you have done neither of these, just made an incorrect call on the use of a fallacy.
OUT OF THE SHADOWS: IT IS TIME TO MAINSTREAM TREATMENT FOR TRANSGENDER PATIENTS
First, some controversial definitions. I am a Trans woman. I feel like this applies in a similar way to those with gender dysphoria. Actually if you get to know us we are good people and love to love and be loved. Always check the latest science before making sweeping statements, in this case about low suicide rate in concentration camps.
At the same time as society is forcing us to conform to this other social group. They are told they cannot even comment or hold an opinion on many subjects for no other reason than the color of their skin and the organs between their legs. Emotions over logic with this crowd, as usual. Differential distribution of immunohistochemical markers in the bed nucleus of the stria terminalis in the human brain. So please, take your assumptions elsewhere. Twin studies are the gold standard in determining genetic contribution in human studies. Marginalized people that are also isolated have compounding effects and have little hope, if any at all.