Remember that the pursuit of happiness, in the Declaration, is not a quest or a pastime, but an unalienable right.. Everyone has the right to actually be happy, not just try to be happy. To use a metaphor: You don't just get the chance to make the baseball team, you are guaranteed a spot.
How long does an unopened package of mayonnaise last at room temperature? Properly stored, an unopened package of mayonnaise will generally stay at best quality for about 3 to 4 months after the date on the package.
After opening, here's what information I do have: 1  Ketchup will last at least a year in the fridge. 2  About a month outside the fridge. 3  So, it depends on how much you use. 4  Mayonnaise has eggs, so store in the fridge after opening. 5  Mustard will last years in the fridge or several months outside the fridge.