It's the end of a hard, long day. You slip off your shoes, roll down your socks, and OMG, there are GROOVES in your calves! "Am I dying?" you ask yourself (because no one else would listen to you). Probably not, my friend, it's all about the physiology and circulation of the legs. Here's a little piece with my thoughts from the Scary Symptoms website to try to put your mind at ease.