Why do some memories bleed out of nowhere and others stay locked behind doors?

“Just because you keep something a secret doesn't mean it never happened, no mat…”

“I realize how quickly lies compound. They cover like a coat of paint, one on to…”

“It never failed to amaze Alex how, with the brush of a hand, thetrack of someon…”

“I wonder if other mothers feel a tug at their insides, watching their children …”