Sounds good so far, but what about it? Is it "realistic", white, black, tan? Is it huge, tiny, average? If not "realistic", is it purple, hotpink, baby pink, marbled, etc? Again, if not "realistic", does it have nubs or little rubber spikes on it, is it completely streamlined and smooth like a stick, etc?
What possessed him to try it? Was he curious about anal play already? Did she ever suggest in the past that he allow her to use it on him?