Let's see.

Please cut away the bottom of the petals. Then put them in the cold water.

This way, the bitter taste will go away.

But, sometimes they are put in the water just like that.

Since the rose's flavor will fairly remain...

But, the gist of it—

Is while thinking of the happy face of the person who will eat it, you whisper this in your mind:

... like this.

If you do that,

It will be more delicious.