"You're the prettiest alien I've ever met," he said, shrugging. "And at least you're not like a cow. Did you know they have four stomachs?" He shook his head and laughed weakly. "Or, well, technically it's one stomach, but they do have four digestive compartments within their stomachs, so the whole four stomach thing was kind of a myth - and I should stop talking about cows."
He offered her a sheepish sort of look before trudging on. "It's interesting," he finished lamely.