If you have to say “But” in front of “I live him/her!” it’s probably time to take a reeeeeal close look at the relationship.
If the house blows over I’ll wake up. Until then I’m not worrying about it.
The three most useless things to a pilot are the runway behind him, the altitude above him, and the fuel still in the pit.
You never have too much fuel unless you’re on fire.
It is easier to ask forgiveness than to ask permission.
If you start to see bars on storefront windows, it’s probably time to turn the car around.
Never do anything you’d be embarassed to explain to the paramedics.
Isn’t that what marriage is about?
Going back to the old men in hats thing, it’s still common in the UK. You get old men in flat caps driving expensive performance cars at ~20-40mph and they will not move over for anyone.
Well, you’ll still end up buying the presents, but you might resent it less. 
Always read the fine print.
Read all the instructions before starting anything.
Most of the time, making a point of standing on principle makes you look like a self-important jerk.
Доверя́й, но проверя́й. (Trust but verify.)
Walk around your car when leaving any parking garage. Also, once in the morning when you leave the house. It saves time later.
If you can, try not to take the easy way out of any technical problem, unless it is also the complete way. Spending a little more time to do it right solves issues two years down the road.
When in a strange situation, relax. To you, it’s a once in a lifetime deal. To the other person, it’s just another Thursday. Behave appropriately. (yes, I learned that from Conan.)