Delmaine Donson/E+/Getty ImagesThe world feels more divided than perhaps it ever has, but I think we can all still agree on one simple truth: It feels really freaking good when someone plays with your hair. The best part of the haircut is that scalp massage at the bowl. Your partner idly combing their fingers through your hair while you watch a movie — hnnnnng. So maybe it comes as no surprise that your scalp can actually be considered an erogenous zone, according to sex experts. So, if you know your partner loves a good head rub, here’s how you can work that into your intimate arsenal.Accordi...