Let's get one thing out of the way. There are gradations of rich. I see four major breaking points[...]
Time. Yes, you can buy time. You literally never wait for anything. Travel? you fly private. Show up at the airport, sit down in the plane and the door closes and you take off in 2 minutes, and fly directly to where you are going. The plane waits for you. If you decide you want to leave at anytime, you drive (or take a helicopter to the airport and you leave. The pilots and stewardess are your employees. They do what you tell them to do. Dinner? Your driver drops you off at the front door and waits a few blocks away for however long you need. The best table is waiting for you. The celebrity chef has prepared a meal for you (because you give him so much catering business he wants you VERY happy) and he ensures service is impeccable. Golf? Your club is so exclusive there is always a tee time and no wait. Going to the Super bowl or Grammy's? You are whisked behind velvet ropes and escorted past any/all lines to the best seats in the house.