I personally believe that true contentment in life is if you can do something meaningful to help others. The human connection is such a basic thing in life. We want love, not just sex.
You might think that getting lots of money would make other people like you more but I think that is the opposite. Billionaires really aren't that "likable" are they?
Whether we suck up to a billionaire or try to perhaps con them somehow WE know that we don't "like" them very much.
But really I don't know any billionaires, I've only seen them on TV, so I may be wrong.
I'm sure that billionaires are constantly approached by people wanting to be their new best friend. That would make any billionaire rather standoffish and close with any friendship reciprocation.
For example, as I get older, I hear more and more first-person stories about families falling apart because of probate shenanigans.