Spider Robinson said something like "Joy shared is multipied, but sorrow shared is diminished" (He might have saod "halved" or "divided".)
If you delight in making someone you love (or even like) happy, it truly becomes more fun to give than to receive.
>> I have found as a teacher, that the information you give out sometimes comes back in much greater magnitude.
I also agree with that. I agreed to tutor someone several gardes behind me in algebra, which i was fairly good at, but tended to forget some of the basic rules. Because I had to explain it clearly, I had to review them myself until they were more clear to me. Then I had to repeat them several times for the student - and, like magic, they sank into my mind MUCH better than they had when I was the student!
Many common things seem to become even more true when you stand them on their head!