We have to say "Thank you” whenever possible even if we are not able to reconcile the human creatures’ free will with the Maker’s working out of a pattern. Thanks and Praise are, I believe, some of the threads with which the pattern is woven.
Whenever our heart opens to another person, we experience a moment of unconditional love. People commonly imagine that unconditional love is a high or distant ideal, one that is difficult, if not impossible, to realize. Yet though it may be hard to put into everyday practice, its nature is quite simple and ordinary: opening and responding to another person's being without reservation.