Amy Dickinson, 64, has shared life advice in her widely syndicated news column, "Ask Amy," for two decades. In her final column, she concentrates her best advice into a few key phrases. "Many of us overestimate the likelihood that the people we're asking for help will say 'no.' Kets de Vries wrote for the Harvard Business Review. "In turn, they'll trust you enough to ask for help when they're in need themselves."

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Persons: Amy Dickinson, Amy, Dickinson, Manfred F.R, Kets de Vries, de Vries, Juliette Han, Han Organizations: Harvard Business, Harvard, Columbia Business School, CNBC Locations: Dutch