I breathe upon
the window pane

leaving a kiss
that frosts
over.

You do the same.

I kiss your kiss
of frost.

You kiss
mine.

We leave
kisses all over the window

The frost now
reclaiming them

taking them back
into the night

as the humans
(being only human)

continue on
in their dreams.

Dónall Dempsey

http://www.poemhunter.com/poem/moonlight-frost/