To have a lot of money isn't only have a good things but also have a bad things too. to illustrate you will worry about that your money will be yours or someone will steal yours. If you have a lot of money you will have a lot of nervous too.
To have a lot of money can answer only to your body but not to your mind.Money can buy friends but can't buy true friend.
To eat an expensive food it's like a ordinary food to make you full. To have less or much money doesn't important anymore. It's depend on the word is enough.