This is why we write them. :) Mail then and now. So funny! Getting letters and cards through snail mail when he is on deployment is so much better than e-mails. Although I still need his e-mail every day.
I think this all the time. Try going in pitch black with a picher of water, a flashlight, and a bowl. As you pour the water in to the bowl shine the flashlight across the water. It will move sightly with the light.