By Kelly Hockenberry, Columnist, The Times Looooove that summer is finally here! Hate, hate, hate what this season does to my mane. Are you a Friends fan? Remember the episode where Monica is in Barbados and her hair gets larger with each passing minute? That’s me. Click on the link to watch (and to feel my pain): http://bit.ly/2t6FIvJ Styling my tresses in high heat and humidity takes super...