Cid's first impulse is to throw out some backhanded insult, like "Well, it's a trial when it's with you". But he can't. Not when Nero says it so softly, when he lays there all vulnerable like a crab out of its shell. Instead Cid rolls him over and runs a hand down his sweat-sticky chest to his belly, and just stares at him quietly. "Thank you" slips from his lips unbidden.