Not to be confused with expressing emotion. Leaders are expected to comport themselves professionally, and that means having the self- and social-awareness to know when to put up, shut up or blow up.
It also requires understanding different personalities, because some people learn easier after having a heart-to-heart conversation while others need a more direct -- strategically placed -- kick in the buttocks. Adapting one’s style to match the setting and people takes patience and acute observation if you don’t want to be the “fun sponge.”