Much of human suffering is caused by greed, hatred, fear and ignorance. When we let go of greed, hatred, fear and ignorance, and hold the world with compassion and tenderness, love, generosity and understanding follow, and this brings happiness. This is the way to be happy in this life!

Perhaps you’re afraid of happiness, feeling that somehow you don’t deserve it. Mistakenly you can become loyal to your suffering. Of course you need to treat your own suffering and the suffering of the world honorably. Hold the suffering tenderly—respond with compassionate action, grieve, heal what is possible. But know that suffering is not the end of the story. When you are loyal to your suffering, wrapped up in your own pain and trauma, it can offer a familiar sense of identity, meaning, and purpose. You might not know yourself without your suffering. But as you release your suffering, it can become your gateway to dignity, compassion, and a deeper freedom.
Fear of Happiness — by Jack Kornfield

https://jackkornfield.com/happiness-2/