10 things I should have learned by now

1. Speeding doesn't mean you get to where you want to be any faster. 
2. Stretching works if you do it. 
3. Anxiety & worry are emotions that are never useful. Get rid of them. 
4. A super cute pair of shoes doesn't always equal comfort. 
5. Money doesn't buy happiness.
6. If you don't use "it" (you fill in the blank), you lose "it".
7. Watching TV is a waste of time.
8. Everybody is different and that's OK. 
9. There is truly no reason to stress over the small stuff. 
10. If don't have anything nice to say, don't say anything. 

I could expand this list by at least another 20 items. I would love to get your list. What have you should have you learned by now?