touch.
" We'd said we'd keep in touch
but  t o u c h  is not
something you can keep
as soon as it's gone
it's gone
We should have said
we'd keep in  w o r d s
because they are all we can  s t r i n g  between us
words on a telephone line
words appearing on a screen. "
- David Levithan
(Credits to in-dy)