FIC: Between the Lines (SGA slash)

Title: Between the Lines
Category: Slash... romance... whimsy.  Written for the wordless challenge over at sga_flashfic
Word Count: ~2,800
Rating: T 
Characters: McKay, Sheppard
Warnings: None 
Spoilers: A few here and there but nothing too obvious.
A/N:  This is an early birthday present for Koschka and since the challenge got extended and it fit the wordless theme at least in passing, I'm posting my second fic for the challenge.
Summary: Sometimes wrinkles speak louder than words.