Michelle Sagara said this quote

Life wears us down around the edges. The stress of life and its neces­sities cracks things. We learn to protect ourselves. We learn not to let so much of the world in, because some­times it’s all too much, and we don’t have the resilience we need to survive it. When we’re six, we make best friends easily. When we’re fifty, we don’t. That’s age and expe­rience for you.But books are different. We can let books in. We can wrap them up in our hearts. We can approach them as if we’re still young and open. Even so, it’s not as simple. Because we’re not as simple.(Source: State of the Writer, sort of, September 2015 - blog post)