Big shoulders shrugged. "No need. I'm well aware that I possess something of an abrasive personality." He looked at Smokescreen, then, studying the hunched posture, noting it carefully. "Though... in times such as this, perhaps it's of benefit. At least, in a fashion, those who are suffering have something to lash out against."

His way of saying he honestly didn't mind getting snapped at right now. He wasn't suffering, personally. If it could, somehow, alleviate the strain his fellow Autobots were under, he had no qualms about it.

"I... admit that I have never experienced so personal a loss as you currently are," Perceptor said, at length. "But I have borne witness to war, and its effects upon our race. As a result... I suggest you do not keep yourself so closed off. Whatever you feel you must do... do so. Allow yourself to feel."

Don't distance yourself.

He would know.