I’ve lived in my house for three years. Apparently, some guy named Zack has also lived in my house for the past year. Or at least Bill and Annie Smith (not their real names) in Overland Park, Kansas think he lives at my address. They send him a lot of cards – thank you notes, just for fun cards and yesterday, I received Zack’s birthday card. Obviously for me to know what kind of cards they send, I open them. The first time I received one, I “Returned to Sender,” but not since then. They keep on coming and I keep on opening them. It’s like reality TV, but through the mail. I’m not proud of my actions and suspect it’s illegal for me to keep opening Zack’s mail. But now I’m genuinely interested in how he’s doing. Zack got a new job last fall (Attaboy card), gave the Smiths Big 12 Tournament tickets (thank you note), and he had a birthday this week. Until yesterday, there was nothing of value in the cards besides sweet sentiment. But in the birthday card there was a Pla...