... when you can drive thru the country and can spot where houses used to be and take note of them.
... you get off work and check your metal detector before you do anything else.
... you come home from work and check "Todays Finds" on Treasurenet before checking the mail.
... if you have to take your own magazines to the doctors office because they don't keep treasure hunting magazines in the waiting room.
You come home from detecting in the rain....dirty and soaking wet....and when your better half asks what you found you pull out a few grungy coins and you have a big grin on your face....meanwhile you spouse considers you completely bonkers...lol.