strake
You must be a very wealthy man or are very well thought of by your employers (or both) if you haven't travelled with the hoi polloi for ten years.
My situation is the exact opposite of yours and I would probably feel awkward and out of place if I had to fly in business or first.
Let me assure you of one thing. It is possible to survive with the common herd at the back. I grant it is not easy, especially to someone unused to it, but just think that if you come through the experience you will be able to dine out on the story for years .......... at the Ritz, the Savoy, Buckingham Palace
You might be relieved to know that everyone is given a seat in the cattle truck these days - there are no standing passengers any more.
BTW, every good wish to the future Mrs strake and yourself.