People often transition smoothly into retirement and enjoy their new lives right away. However, some people have a more difficult time settling into retirement than their peers. It’s even possible that some of us will delay or put off retirement entirely to overcome our fear of uncertainty. Regardless of how you feel about retirement, here are the following are five qualities that happy retirees share. 1. Be a Saver, Not a Spender When it comes to retirement planning, numbers are key. And, for good reason. If your retirement income from sources like a 401(k), Social Security, or annuity can support your desired lifestyle, while also eliminating fears like long-term care or outliving your savings, you’ll have more peace of mind. And, in turn, this will increase your happiness. However, Dan Gilbert, a Harvard University psychology professor and author of “Stumbling on Happiness,” told Time that while having enough money is …