How good is sushi after you buy it?

So, let's talk about sushi for a moment. Have you ever wondered just how good sushi really is after you buy it? Is it still as fresh and flavorful as when it was first prepared, or does it start to lose some of its appeal over time? And what factors can impact the quality of sushi once it's been purchased? From storage conditions to the length of time between purchase and consumption, there are certainly a lot of variables to consider. So, what do you think? How good does sushi typically stay after it's been bought?