Here is another installment of Some Rules for Life, that is, things to remember that will make your life easier.
Gardening Rule: When weeding, the best way to make sure you are removing a weed and not a valuable plant is to pull on it. If it comes out of the ground easily, it was a valuable plant.
The 50-50-90 Rule: Anytime you have a 50-50 chance of getting something right, there's a 90% probability you'll get it wrong.