If you have issues with family friends and people at work try and solve these issues head on so you can move on and concentrate on having the life you want. Think about what you can do so that you are happy with yourself - for instance eating right to feel great and energetic.
Science we are repeatedly told is the most reliable form of knowledge about the world because it is based on testable hypotheses. Religion by contrast is based on faith. The term 'doubting Thomas' well illustrates the difference.