It's probably for the best Alaric can't see his face, because the smile that curls Anders' lips is devilish at best. The commentary he doesn't mind and the bit about Alaric's smile gets a very quiet 'never' nearly whispered into the attention Anders was paying to his work, though he didn't argue more than that. No, the amused umbrage came from the movement, the leaning and attempting to direct Anders' pace and direction.

He wiped a hand off on his pants and used it to work his fingers into Alaric's hair at the back of his head, gentle even as his fingers clenched into a firm grip at the root of the strands in them. He tugged lightly and leaned over Alaric with his other hand braced on Alaric's back as Anders hovered by his ear. "Keep still, general, you're not to move until I'm finished or you'll undo my work." A quiet, gentle, but firm warning before he pressed a kiss to Alaric's ear and sat up again to continue his work.

"Just focus on the feeling of my fingers on your back, nothing else."