Whether she was doing it on purpose or not - and it could really go either way, with her - Valkyrie really needed to stop drawing his attention to her mouth. It was distracting!

Loki reached out to trail frozen fingertips lightly along Valkyrie's upper arm and shoulder. She'd have to move the arm down or away to avoid the increased chill, it was sound reasoning. "It seems like a nonsense way to maintain an empire to me. Surely he spends all his time writing letters if that's his only means of communication."