0
Don't worry, they won't replace you as a woman.
As much as she disguises herself as a woman, her 23rd pair of chromosomes is XY.
And the fact that she legislates in favor of people like him/her/it having children artificially, doesn't really affect you negatively. Actually, it does not affect you negatively or positively.
That those who can have children naturally benefit from scientific advances to have children, be they of the absurd self-assigned gender that occurs to them, is the least worrying.
Bookmarks