1. you can't. you just can't. That's ok though because if you look out your window to your left you can see the sun starting to rise over Dublin.
2. If you really must try, start by taking off your shoes. It feels good, but don't do it if you got that sour foot and don't take your comfort too far. You dropped good money on this ticket and I'll be damned if you're going to ruin it by wearing those mustard stained heather grey sweatpants. put on some linen dress slacks and look sharp. Don't forget to install that braid in the back of your hair with a shark's tooth at the end, that will ward off any unwanted conversationalists. Unless you're sitting next to captain ron or jimmy buffett then you should forego the sharks tooth.
3. Build a fort. if you ask each steward for a blanket you will soon have amassed a rather large collection to construct a fort with. This will give you enough privacy for you to take your shirt off.
What else needs to be said?