It didn't matter much to him whether it was gracious to her sister or not, so long as it worked. That was what he was raising concerns about. The plan with Cassius had been all but fool-proof, as far as he was concerned. A respectable pureblood girl would be the only sort he was allowed to consider marrying in the first place. His sexual deviance meant it was nearly impossible that Cassius would be muddling around with her between Tiberius' visits, so there was no great risk of the child not being his. Whoever his cousin chose would have a public pregnancy followed by a stillbirth, which was not unusual — or, if it wasn't a useful child, it could stay and Cassius would raise it. There was no downside, except the unfortunate fact that Cassius didn't seem to be in a particular hurry to get on with it.

Antigone's plan, on the other hand, was laden with potential pitfalls, but it did have the one benefit that his previous arrangement lacked: immediacy. At least, if whatever she was hinting at was born out. It would be nice to have the question settled sooner rather than later, he supposed. The sooner the boy was born, the sooner he would develop into some semblance of a useful person. Tiberius had no real use for him in infancy.

"What opportunity?" he asked carefully.