Negativity is a fault, and it is human nature, when one is pointed out being negative, it is human nature to lash out, and go to as many message boards and point out that "hey I am being negative and I was pointed out as being such",
Good..at least you are using your brain..but what you are failing to realize is that you are not higher than thou(though you may think that you are) what you are forgetting, is the person that pointed it out..is human too. Not better than you, Human, just like you.
One has a negative look on things, the other is trying to make hers and the people around her and the world..a better place.
With negativity there is hostility, with hostility there is hatred, with hatred there is tears, with tears there is no ending of the negativity.
"Teach this triple truth to all: A generous heart, kind speech, and a life of service and compassion are the things which renew humanity"
A vicious cycle.
Try looking at things on the greener side of life. Life could be so much better for you.