Riddle Of Life

Riddle: If you have it you can have a happy life. It is invisible. It flows between people like an energy. You might call it a commodity. Without it, you quickly find enemies. It can't be bought. What is it?

Answer: Effort.

Source: https://www.riddles.com/7167

If you have it you can have a happy life. It is invisible. It flows between people like an energy. You might call it a commodity. Without it, you quickly find enemies. It can't be bought. What is it? — Riddle of Life by Brook Renwick v1.

Riddle: If you have it you can have a happy life. It is invisible. It flows between people like an energy. You might call it a commodity. Without it, you quickly find enemies. It can't be bought. What is it? Answer: Effort. — by Brook Renwick v2.