Milton Friedman had a lot to say about that.
https://www.financialsamurai.com/the-four-different-ways-to-spend-money-by-milton-friedman/
The Four Different Ways To Spend Money
1) You can spend your own money on yourself.
2) You can spend your own money on someone else.
3) You can spend somebody else's money on yourself.
4) You can spend somebody else's money on somebody else.
He’s so brilliant at expressing concepts.