A quick trick to test the doneness of your beef. The fleshy part of your palm mimics the tenderness of your beef. For example, if you like your steak rare, your beef should be as soft as your palm while it's wide open and relaxed.
A handy chart to show you how long it remains at optimal flavor with the help of the USDA Food Safety & Inspection Service's FoodKeeper. Print it out, stick it to the fridge with magnets, and never eat a freezer-burned sausage again.