1. Never try to prove your point to anyone. And if you know you are right, it hardly matters. And learn this one fast!
2. Never give advice or opinion unless sought explicitly, that applies to all except your spouse and kids.
3. Reach appointments/ work on time.
4. Its relatively easy to smile off uneasy incidents in life, than sulk over them.
5. Dont take life too seriously. Learn to laugh.
6. Take criticism positively, if taken in the right spirit it can help you improve by leaps and bounds
7. You are the only one responsible for your happiness
8. You are and your goals are more important than sundry people.