Many people like to live in their comfort zone. This means that they do things and associate with people who are similar to them or they are something are some by they feel comfortable with. To live outside your comfort zone may be difficult for some people. The brain signals that something is amiss when you are living outside your comfort zone.
There are times when people have to do things that they don’t feel comfortable with and this may even cause physical problems to the person due to the brain’s interaction with the situation at hand. I believe that people should at times live outside their comfort zone in order to experience different things. If they don’t they may miss out things on life.