The Most Important Lesson I Ever Learned About Dating by Dom Quaglia • February 15, 2017 Guys and girls are some of the worlds biggest mysteries… well, to each other anyway. This can make dating pretty complicated. As a guy, I rarely know what the girls in my life are thinking. Classmate, co-worker, sister, friend, girlfriend, mom… it doesn’t matter. Sometimes I think I understand Calculus better than I understand girls. And umm… I got a D in Calculus.