I don't think your going too fast. i often wonder if I am going too fast into hrt too.
about a year ago i started to feel dysphoria heavily. though i think i always had some degree of self loathing of my female parts, and lucky for me they were never overtly female, i don't have a big rack and im fairly andro looking. but i wanted muscles and i started working out hard. and when i started to get results way downt eh road they weren't what i was expectly. i became lean but not built. i didn't have teh definition unless i was flexing as hard as i could and 4 months of just nothing but weights and upping the weights, i realized i wasn't a man. from then i started delving into how a woman could be more masculine and i found out what sort effects T has ont eh body then it brought me here where i saw that it was possible to be a man. I didn't want to confront it and kept it inside and became very very depressed. so much so my family kept asking me what was wrong and when i went to visit my sister in new york i told her i feel like im int eh wrong body and she understood and we talked about it and about a week later i told my father and he immediately got me to seeing a therapist ( he's soooo open minded he didn't mind at all.) then after seeing the therapist a few sessions i realized i wanted to go ahead and go through transition. that i would never magically turn into a man without doing something myself and i just had to go for it and quit dodging what i needed. it is scary, and i realize in my last few days of being off hormones that this is going to be real, of course i am scared but it's for the ultimate goal of being happy and feeling alright in my skin.
tl;dr if you have a goal in mind, how quickly you get there isn't wrong, we all go our own pace in this. for me it's been less than a year. for you maybe sooner maybe longer. just as long as you get what your after you're fine.
and don't mind society, really they don't matter. I've only come out to my closest friends who would understand and everyone else can just take it or leave it, they don't matter enough to me to lose sleep over.