And yet he doesn't turn away, not in disgust, nor in any other shameful manner. Instead he relaxes into his position a bit more, letting the edge of his seat lean into the desk a bit further.

"And so am I, though by number, you likely have me beat." He says, both hands around his own mug of tea, "Why do you bring it up now?"

Clearly she feels bad about it, so he's assuming that must be why. Though he doesn't know if he can do much to ease her guilt, he can most certainly try. Normally one would want to take such secrets to the grave.

The other possibility is, of course, that Fever wishes to kill him, but... call him soft hearted, the likelihood of that, the Haruspex assumes, is little to none.