I'm pretty okay with it, once I learned and accepted it.
It used to be I'd only go as a guy on my guy days on MUDs/MUCKs in my early teens, nearly a decade and a half ago, but eventually I'd be found out thanks to some friends who I ditched a long time ago. I remember feeling so ashamed whenever they outted me, and people would get pissed that I'd lie over such a thing. So I kind of grew scared of being genderfluid for a while.
Same friends made up a lady friend who I had a huge crush on, and I'd talk to online. Yeah, ouch, they outted me again.
Only very recently have I started looking into it again. It started a couple years ago, with a suggestion from my SO of awesome. We've been keeping track of days I'm female or male, though sometimes I switch halfway through. I find it easier to bring the guy me to work, though, since I do so much physical labor, so I've been learning to control it recently.
Also, on the occasion I have dysphoria because I don't want my boobs to be there. Thankfully, said SO let me order a binder, and it'll be here next Saturday, I hope. I plan to take pictures, I'm so excited.
...Sorry, this post went a little long.