Mayday looks a little faint when Aftermath acknowledges his allegiances. He looks even fainter when he glances down at the Decepticon's wounded knee, vague whining noises slipping out of his vocalizer. Injuries make him feel sick.

"Um, I could-" He shudders at the idea of touching someone's wound. "Maybe I-" He shivers at the thought of being that close to a Decepticon. "Er-" Okay, everything about offering to help repair Aftermath's knee sounds like a terrible idea. He laughs, awkwardly. "You know what, never mind?"