Motivation to stay positive is the key to your success. Their are more negative distractions and people than positive so you have to choose your relationships wisely and filter the bad from the good.
Their are alot of advantages to training yourself to keep a positive outlook. It creates balance and well being and will help you with conflict management.
It takes leadership to maintain a positive disposition.
From bjwalkinrivers on twitter:
No matter how positive/accomplishing something you do is, someone will always shed negative light..tough love = #motivation & #determination (http://twitter.com/bjwalkinrivers/statuses/2774112841760768)