"It's true that you're good with babies," Porthos starts, turning to face his friend, his hat in his hand, "but why are you playing nursemaid to..." It's Aramis's expectant look that clues him in to the fact that something is actually going on here, that Aramis isn't simply doing the Queen a favour while she is cut off from her retinue.

Any good humour deserts his face, and his hand tightens on his hat, bending its fabric. "Put the baby down."