Suicidal despair was an emotion Adrian had been trained to deal with professionally. He didn't even have to squelch his responses to it; a decade of training and Healer's experience kicked in without conscious volition on his part.
"Consider it a phase in a long-term an experiment on my part. I'd like to know whether you were already crazy when you took the Mark or just criminally stupid."
He waited a half-second for that provocation to sink in before asking again.
"Why are you here? What are your plans?"
Bellatrix couldn't not-think about it forever. She'd slip. Adrian just needed to make it sooner rather than later.