The most meaningful thing I've found in the world is to help others. But I think good intentions are not enough - it is important to care about how effectively you help others. So I recommend Effective Altruism - a community of people working on making the world a better place while focusing on effectiveness of their actions.
For over 10 years I've been giving at least 10% of my income to cost-effective charities (see GiveWell for recommendations https://www.givewell.org ). There are thousands of people doing the same, you should join in:
Finally, on the topic of happiness, read up on Positive Psychology to learn how to extract more enjoyment / eudaemonia out of life. Start by reading books by Ph.D. researchers (e.g. The How of Happiness, Stumbling on Happiness, etc).
https://www.effectivealtruism.org/
For over 10 years I've been giving at least 10% of my income to cost-effective charities (see GiveWell for recommendations https://www.givewell.org ). There are thousands of people doing the same, you should join in:
https://www.givingwhatwecan.org/
Finally, on the topic of happiness, read up on Positive Psychology to learn how to extract more enjoyment / eudaemonia out of life. Start by reading books by Ph.D. researchers (e.g. The How of Happiness, Stumbling on Happiness, etc).