This thread must be a contender for "longest thread about not much at all" award
Keep your passport and boarding pass handy until you're in your seat, smile and present it when asked and try to relax. Worrying about how many times you're asked to present your bona-fides is just going to make your life shorter.
I smile and say "Hello" and present my boarding pass when I get on a plane. Reactions vary from a grunt and point toward the rear of the plane through to "Welcome back, Mr Grumpysnail."
Air travel sucks. Rolling your eyes and grumping at people isn't going to make it better and may well make your trip worse.