These are habits that last a lifetime. Even as an ex-FA you do all of those things! And I still have some mismatched cutlery.
My wife tells me that she gets a kick watching me count the number of rows to the nearest fore and aft emergency exit each time we sit on an aircraft; my friends still point out when I put on my 'airline smile'. I'm still aware that when asked directions, I sometimes point with all fingers, with the thumb crossed over the palm...