I was going to wait to say it because I know how hard trust is to come by in our world, but I'm not going to try and break that trust by essentially lying to all of you.
Something happened in the time-loop before mine and Skynet became extra aware, so more precautions had to be made. Mom's even told me that after I was born, she asked to see her son, because that is what
daddyKyle told her was going to happen.
So in short, you now have a timeline where John was born female. I came here while I was literally in the middle of a battle against some T-805s.