Also on these boards
Or a pin, or a book. Pretty much when any person is like, "I wasn't even talking to you, I was just going about my day, but I thought of you and considered the things you like, because that's how I sometimes spend my free time, and it is my capculated opinion that you would like this thing that I was just enjoying that made me think of you."
Everyone needs an education... Not only for what you learn in class, but for what you learn about yourself and the rest of the world. Getting an education is a huge part of personal growth and this is something I realized in undergrad, but it really hit home in grad school. The more education you get the better! Remember that.