Directly responsible? What's that supposed to mean?

[Felix frowns. Something isn't right. He hasn't seen Dimitri like this in a while. Not since...well. Since before.]

...you look terrible. [It's not unkind, for Felix, at least. He sounds concerned.] What could possibly have happened to you in a single night?

[He glances down at the pig, frown not budging an inch, but he dismisses it immediately as unimportant, deciding he does not actually care why it's walking like that.]