[D'Artagnan snorts loudly then, and crosses his arms at his ribs. The latter motion is not in a display of anger or upset, but coincides as if it may be, he's simply feeling more effects from the treatment given, and needing to physically keep hold of himself lest he... approach Charles in an unwanted fashion just as they're attempting some unnecessary, but strangely not unappreciated, reconciliation.]

I can't require that of anyone... I am, moderately, interested.

[His teeth press into his lower lip, and he looks away, watching the other side of the street.]

I'd thought you insightful, despite your peculiarities. Well, before you'd displayed them. You wished to help me once, and I...

[It's something difficult to speak on now, after his behaviour in the alley, and he feels deeply, penetratingly, exposed, flayed before this man through no intent of his own.]

I don't believe myself to be as unwell as you've claimed, but... I am... I've not found solutions to my... struggles, presently.