[He doesn't understand what she says the moment that she says it, but he figures it out in the time he's about to ask her to repeat herself.]

Breeding, [he murmurs at the same volume.] Is that so. Well, what if I said I wanted to see how many more loads I can fit inside of you? How would you feel about that?

[He asks in a tone that sounds like he's going to do it anyway, but he really is genuinely asking her behind the suggestive pitch.]