“to love at all is to be vulnerable. love anything, and your heart will certainly be wrung and possible be broken. if you want to make sure of keeping it intact, you mucst give your heart to no one … wrap it carefully round with hobbies and little luxuries, avoid all entanglements, lock it up safe in the casket or coffin of your selfishness … it will not be broken; it will become unbreakable, impenetrable, irredeemable.” - the four loves, cs lewis