Teresa Amabile, professor at Harvard Business School, is approaching her own retirement by researching how ending your work career affects your sense of self. TERESA AMABILE: Life structure is defined as the major contexts of your life – the places where you spend your time, literally the geographical, physical spaces where you spend your time, the major activities that you engage in, the most important relationships that you have in your life. CURT NICKISCH: And when you retire, what will you tell people you do?