Over the last 150 years, Sweethearts' candy messages have evolved from "Please send a lock of your hair" to "On Fleek. <script type='text/javascript' src='http://z.cdn.turner.com/cnn/van/resources/scripts/van-widgets.js'></script> <div data-cnnvansinglewidget data-affiliate='gantdaily' data-videoid='living/2016/02/12/sweethearts-candy-messages-evolution-orig.cnn' data-size='auto' data-autostart='true'></div>