I found this fascinating quote today:
1. Surround yourself with successful and positive people. The influence people have over our own personal energy is amazing. Moods and attitudes are so easily spread – think about how much of a difference a simple smile from a stranger can make for your day and then magnify it 1000 times to demonstrate the power of positive and successful friends, family and associates. When you have people around you who inspire you, believe in you and want you to succeed, there’s no room for doubts and even when they creep up, they’re quickly swept away.Mommy Tyme, Mishaps of Mommy, Nov 2009
You should read the whole article.