My impression is that doing a bunch of kind actions does tend to increase kindness in the future, and in any case it seems like “a bunch of kind actions” is probably (a perhaps-small subset of) the outcome you’re wanting from getting kinder, so doing it seems like an obvious win given your stated goals.
My impression is that doing a bunch of kind actions does tend to increase kindness in the future, and in any case it seems like “a bunch of kind actions” is probably (a perhaps-small subset of) the outcome you’re wanting from getting kinder, so doing it seems like an obvious win given your stated goals.