Cleverness is most important skills you should learn or enhance further to good shape. It helps to understand your own emotion level and other person emotional level. More important than your subject knowledge. If you shouldn’t well know about your own emotions, other cleverly use it for their benefits. I am not saying in wrong sense. Understand your cleverness level helps to develop your Self Confidence. Remainder it! Start scaling your cleverness and it will conveys the self-aware about you.