[You're actually right in that he won't see this - won't pay attention to anything else in the journals for now, only thinking of grabbing it to write to you (and Athos), a small, quick note saying "they're alright". He knows you'll both realize where he is, and ... for now, he'd rather not face either of you, wants to be selfish for a while if in the end he'll meet the same anger anyway.]
[It'll be days until he manages to leave her side for long enough to actually go back "home".]