How long can you go with saying something negative? How long can you resist having a negative thought? Negativity, whether through words or thoughts, have a poison-like effect on our success. It negatively influences the way others see us and, more importantly, the way we see ourselves. Chronic negative thinking can set us up for failure and in its worst form, lead to feelings of hopelessness. Negative words can be contagious and can affect the moral of groups, lead to negativity in the workplace and can potentially kill relationships. So how can one escape this silent killer?