A birthday, Saint Valentine's day, Saint Joan's day, Saint Jordi's day, a good grade, a passed exam. Or no reason to do that.
During the way of your life, you can get a lot of roses. Do not throw them away, please. Even if they are dry, they are still alive. Time is running very fast, but one day you stop in front of them and think. You can still remember how time has been passing since you get the first one, why was it, when, where and who was the person who had the feeling and the need to buy it. Then, you start to make stories with the roses. The way they followed to reach you and how difficult was it.
Some times you have to clean the dust they can leave. However you love them.