a dream that will never come true

I had a wonderful dream last night, you know the one dream that you just never want to wake up from? It was absolute paradise , for a moment it seemed so real that i wanted to just reach out and grab it. But when you wake up, grasping thin air, the feeling of cold mercury filling your heart, that makes it seem that it is sinking, a sinking that you cannot stop, one that is relentless in reaching the bottom and with it taking all the happiness in you..