Tailgate knows full well that Cyclonus would never joke about this. Cyclonus never jokes about anything. There's a very good chance that whatever Cyclonus is saying is the absolute truth.

But Tailgate refuses to listen.

"You're wrong." He says weakly, backing away until he's out of reach. "Getaway would never do that. You're just-" Jealous. But Tailgate knows better, so he cuts himself off. "I don't want to talk about this anymore."