Is your glass half full or half empty? Our thoughts have a very powerful effect on what we do. It's easy to feel down or be negative when things don't go our way. Getting caught up in negative thoughts affects your mood and health. It can also effect your relationships - people don't want to spend time with Negative Nancy or Pessimistic Peter. Everyone has negative thoughts at some points and several common thinking styles are: Catastrophising. You think about what could go w