If your emotional abilities aren't in hand, if you don't have self-awareness, if you are not able to manage your distressing emotions, if you can't have empathy and have effective relationships, then no matter how smart you are, you are not going to get very far.
Emotional 'literacy' implies an expanded responsibility for schools in helping to socialize children. This daunting task requires two major changes: that teachers go beyond their traditional mission and that people in the community become more involved with schools as both active participants in children's learning and as individual mentors.
Teachers need to be comfortable talking about feelings. This is part of teaching emotional literacy - a set of skills we can all develop, including the ability to read, understand, and respond appropriately to one's own emotions and the emotions of others.
The other thing is that if you rely solely on medication to manage depression or anxiety, for example, you have done nothing to train the mind, so that when you come off the medication, you are just as vulnerable to a relapse as though you had never taken the medication.