I think we have all had those terrifying "limit pushing" moments. Have no fear... it passes with time. I have been testing the limits of my comfort zone for years and years. One inch at a time... I came out to a couple friends and the tossed me into the deep end, so to speak. Everything is her, she, girl, or Victoria/Tori. 24/7... 365, make up or no, female clothes or no, beard doesnt matter and go as far as to call me out in public for going near a men's room when I hadn't really mustered the courage/energy to brave the ladies room that day... those 2 ladies pushed me to the max of anyone's comfort zone. Sink or swim... well, after about 4 or 5 months I don't even realize how I look. I'm just me and daily life is just natural without a second thought.
So keep it up and relax. It'll all start to become "Your Life" rather than "life as a woman or trans-woman". You're doing GREAT!