Beware of the person who gives advice, telling you that a certain action on your part is “good for you” while it is also good for him, while the harm to you doesn’t directly affect him.
You need one thing that gives you comfort. As much as everybody tells you that you have to get out of your comfort zone, you need one thing in your life that comforts you. Or maybe that’s just me. I don’t know.
The more nonlinearity in the response, the less informational the average.