How to tell if your eggs are still good.

Do you know how to test the approximate age of an egg? 
When is it time to throw your eggs out?

All you need is a glass cup and cold water. 
Gently drop the egg into the water and if the egg:

~ sinks to the bottom and decides to stay there, 
    it is about 3-6 days old (good) 
~ if it sinks,  but floats at an angle, it's more than a week old  (ok)
~ your egg sinks, but then stands on end, it's about 2 weeks old (still ok)
~ if it floats, it's too old and should be discarded (not good)