The Immortal Snail

You have choosen for all your wishes to be granted, including immortality; however, there is now an intelligent, slow, and immortal snail that knows where you are at all times, that exists for the soul purpose of finding you. If this snail makes contact with you, you will die a painful death. You will now watch the years go by, watch the world change, and question your choices. How long can you survive?