Many of us face snap decisions in which two of our core values come into conflict. We could get promoted, but only by spending less time with family, or be successful in the short term, but at the expense of long-term sustainability. Chicago Booth's Lucia Annunzio calls these difficult decisions leadership "moments of truth," and she advises executives that if they don't have a plan on how they will make such decisions ahead of time, they might ending up regretting their choices.