As far as your wife is concerned, I can understand her reaction. Your revelation makes her future very uncertain. Things are not going to be business as usual. It's a bitter pill, but you're going to have to learn to rely less on her for support. She's got her own stuff to work out - where the marriage is going and what it will mean to be married to a trans person. The sooner you work things out, the clearer the picture will be for her, so putting pressure on you to move forward is not a surprising reaction.
For everyone else, their understanding of what it is to be trans is probably minimal. When I first came out, (and ever since) I encountered widespread ignorance about all aspects of the transgender experience. Heck, for most of my life, I was just as ignorant as they are. Expect them to treat you as someone Different and to follow a path that conforms to their (limited and inaccurate understanding.) They've been told by the media that trans people knew from a young age, so it looks to them like you've been holding back on them. They've been told by the media all trans women feel like a woman in a man's body and need to transition (how many stories have you read about trans people who don't transition. Not many.), so they just expect you to get on with it.
You can educate them if you feel like it, or you can ignore them. Either way, it's a tough road to walk. Hugs.