Drive a nail into a tree and leave it there. The tree is wounded, but in a few years it grows around and over the nail, enclosing it completely. The wound heals; the nail remains forever bound into the tree.
After fifteen years with me, Prince crossed Rainbow Bridge on 25 May 2010, and no words can tell how much I miss him. Yet I know that he is now a part of me, and I keep him forever in my heart.
Canon Powershot A10 (Prince) and Canon Powershot A720 (tree) layered together in Photoshop.