I knew the general idea of “Before We Were Yours” from friends’ recommendations. I knew I wanted to read it, I knew it would probably make me cry at some point, and I knew it would suck me in from the first page. I wasn’t ready for there to be a part of me that just wanted to hurry to the next chapter, past the uncomfortable and heartbreaking descriptions, and on to the lighter, modern day stories, so I wouldn’t sob and shake my head at the ugliness of this world. But a…