Self-deprecation is a handy tool to diffuse tension and add humour. But, in putting down your talents, appearance and personality, could you be permanently blighting your self-esteem and reputation?

 We’ve all been there… 

Have you ever replied to a compliment about your outfit with a knee-jerk, negative response? Such as, a quip about looking a bit podgy or an eye-rolling admission of the coffee stain near the hem?