Carrie Classon’s, “Blue Yarn: A Memoir,” is available at Amazon, Barnes and Noble, and other fine stores. Learn more at CarrieClasson. com. I was reluctant to come back from Mexico this spring, knowing it would still be cold and wet and cloudy. But I’d gotten used to looking for pretty things while in Mexico. I wanted to share the festivals and the art and the colors. I’d been taking pictures and sharing them on Facebook so my friends and family could see a little bit of the world that surrounded me. Then I got back up north, and it seemed like everything had turned to gray. “This is not a reason to stop taking pictures!” I thought. And what I meant was that it was no reason to stop looking for beautiful things. My time in Mexico had trained me to be on the lookout for things that were interesting and lovely, and to share those things with others. I said it was for my friends and family, but it was really me who benefited most. I noticed more. I remembered more. I appreciated…