I find myself happier when I act more kindly to others. In addition, lowering suffering/increasing happiness are pretty close to terminal values for me.
You say
I find myself happier when I act more kindly to others.
Yet you said earlier that
How can I get more enjoyment out of alleviating others suffering and giving others happiness?
Does this mean that you feel that you do enjoy it but not "enough" in some sense and you want to enjoy it even more?
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.