Advice is very easy to give, and even easier not to follow, so I don't fool with it.
until you got ice cream spilled on you, you’re not doing field work
When you're screwing up and nobody says anything to you anymore, that means they've given up on you.
Develop a good filing system.
Find the best in everybody. Just keep waiting no matter how long it takes. No one is all evil. Everybody has a good side, just keep waiting, it will come out.
There are more ways than one to measure profits and losses.