Extend the Story - Add a Room

You pick up he dog-tag necklace from the pile of laundry and observe that it reads Chaz Michael Davidson 01/06/1996. "Who is Chaz?", you find yourself saying out loud. Looking at the dog tag was a useful clue, but you have no way to determine factually that this dog tag necklace was your own, and did not belong to someone else. While there may be more options available, you feel strongly in your spirit that only three choices are of utmost importance.

Pick up unopened envelope, looking for more clues