Worried your best days are behind you? Don’t be. Life is a series of peaks and troughs – your health, wealth, happiness, and skillset are developing all the time. But it helps to know when to expect those peaks and troughs. So CashNetUSA identified nearly 50 such landmarks – the good, the bad, and the ugly – from birth until the age of 80. Click HERE to learn about the science-backed timeline of the most important peaks of your life