Have you ever behaved in a morally wrong or inconsiderate manner? Have you ever spent some time thinking on what you did? The bad things that all of us are prone to do from time to time can have a serious effect on our self-image. When you feel a little negative thinking down you tend to see things in a negative way. One simple wayof changing your thinking is by replacing the negative thoughts with positive thoughts in order to change your mentality. When you're almost always negative, it's hard not to worry because you focus only on the negative aspects of situations and events.