He have loved you since he saw your birth. He spent every second of your life taking care of you from above, smiling with your laughter and crying with your sadness. He begged God, his father, to let him come down to earth, to see you, so that you could see him

You don't know he exists, but he wanted you to know. You can't know who he is, he'll just try to make you fall in love with him without telling you who he is

"The Lord of the Rings, eh? Good choice, one of the best books I've ever read," He said smiling, trying to start a conversation when he saw you in that bookstore. You turned around strangely, you didn't know who it was, you clearly didn't know it was your Guardian Angel.