Affluence separates people. Poverty knits 'em together. You got some sugar and I don't; I borrow some of yours. Next month you might not have any flour; well, I'll give you some of mine.
You got to set your mind right and the rest will come to you naturally. No restrictions, no hang-ups, no stupid rules, no formalities, no forbidden fruit - just everyone getting and giving as much as he and she can.