"If our past selves got a glimpse of us now, what would they make of us?"
-We Are Okay by Nina LaCour

"He was awake enough to wonder if he'd been making bad decisions for his entire life.  If he'd been a bad decision, himself, even before he was born." 
-The Dream Thieves by Maggie Stiefvater

"He wondered if he was going to go through each year of his life thinking about how stupid he'd been the year before."
-Blue Lily, Lily Blue by Maggie Stiefvater