Diversity of investments which you think could be good/beneficial limits your risk while increasing the likelihood, similar to the way Venture Capitalists make investments.

Doing this across multiples avenues in your life: knowledge, social, health, etc. can vastly keep you in the green, keeping life satisfaction up and continually increasing over time.

Blog post: https://pushingbeyondbetter.com/self-invest-like-a-venture-capitalist