Do you ever look at a long term expiration date (on things like canned goods or medicines) and think, "I wonder if I'll still be around by the time this thing expires?" Or I'll think to myself, "I hope all my loved ones will still be in good health by the time I finish this bottle of Tums." Seriously, Tums last forever. Whatever the heck is in it to preserve it's quality for 4+ years must not be good for your stomach.
And did you know you can keep eggs up to one month after their marked date of demise? It's true. Here's some tips on egg safety.