Helping and being of service to others are esteemable acts and get us out of self, so being kind enhances feelings of self-worth and gets one out of self.
The “Happiness Trifecta of Neurochemicals,” oxytocin, serotonin, and dopamine, are also boosted by being kind.
Humans are social beings, so acts of kindness are essential to us all. But they are particularly beneficial to those of us with a mental illness or addiction!