Retirement has changed in ways that many near-retirees don’t fully grasp until they’re already in it. Longer lifespans, higher costs and the disappearance of pensions have reshaped what it takes to retire securely. Financial experts say the biggest risk is relying on outdated assumptions that no longer reflect economic reality. Below are six common retirement assumptions that worked for previous generations but no longer apply today — and how experts suggest reframing them. 1. Retirement Only Needs To L ...