"No," is the equally mild reply. And - well, he can't help Severus, at least not at this very moment, when he is neatly in one piece and not hemorrhaging anywhere. The (strong) argument could be made for him needing therapy, but in addition to this wildly not being the time for such issues beyond narrative asides, hell would sooner freeze.

"I can help you, however, if you'd let me borrow whatever you're drinking to stay awake, for a moment."