How do I know I'm transgender? I spent two decades trying to be cis.
https://medium.com/@Jessederita/how-do-i-know-i-m-transgender-i-spent-two-decades-trying-to-be-cis-80b0abee24bc#.tbxq33g8j
Medium/By Jesse DeRita 03/14/2016
"Since coming out as transgender almost two years ago, a few times people have worked up the nerve to ask me, how did I know? How could I be sure?
Didn't I understand what I was saying?
Yes, I understood what I was saying. I was saying I was going to undergo major surgery."