Starscream's optics flash; Knock Out had best watch himself if he intends to start teasing him about his current captivity, because lets be real, they both know there's no way that this is going to be a permanent state of affairs. 

Still, the seeker doesn't look too pissed off, just... increasingly unimpressed. He lets out a prolonged sigh, crossing his arms and cupping a cheek with one hand.
"That sounds... Ah, what's the phrase that I'm looking for?" He taps the side of his face with two talons. "Oh, yes. Incredibly dull. Why should either of us care if the runt is uncomfortable? Moreover, why should you require my help in caring for Breakdown's organic menagerie?"