Flying away is when you leave the place you grew up, by yourself, and you also leave your family (but not forever), usually to somewhere that is different than where you grew up. You don't have any intentions of returning, and you are leaving behind everyone for a better life.
an example of flying away is when you grow up in the midwest and move to the southwest coast in California because you hated cold weather, you are only coming back to see your family.
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)