In a nutshell, self-esteem is your opinion of yourself and your abilities. It can be high, low or somewhere in-between. While everyone occasionally has doubts about themselves, low self-esteem can leave you feeling insecure and unmotivated. You might be able to identify a few things that are affecting your opinion of yourself (maybe you’re being bullied, or you might be feeling lonely), or it could be a mystery. Either way, if you are wondering how to improve your self-esteem, here are some of our top tips.