Giving away what we've worked for... what we sacrificed others things so we could acquire... is the strongest challenge to our sense of well being and how we tell our money story.
It's more than overcoming greed and selfishness... it's a test of whether we live in a world (and with an economy) of scarcity.
If we have something, does that mean someone else doesn't have it?
If we gain something, does that mean we're taking it from someone else?
Markets don't work that way.
Economies don't work that way.
Life doesn't work that way.
Only greed works that way.