I'm a positive guy. I have to be, it's part of my job. As a trainer, my clients come to me to get better; how could I get them better if I didn't believe that they could all succeed? I try to extend my positive attitude to everyone in my life.
I try my best to surround myself with positive influences; I want my friends to be role models to me in some way, and vice versa. Somehow, though, there is always a negative voice hanging around. Somebody always wants to "put you in your place" when they think you need it. We call these people "haters". Haters always want to knock you down a peg. Why? I don't know. Could be lots of different things, really. Jealousy, envy, lack of self-esteem. Who knows? But, everyone has to deal with a negative attitude sometimes in their life. Their reason for being negative isn't important, how you handle it is.
You HAVE to stay positive. A positive attitude yields positive results. If you don't believe in yourself, why would anyone else?