Rodimus' frowns looking more miserable by the second, still refusing to look directly at Optimus.

"I know. I know. And I don't have an excuse for that. I don't know what I was thinking," He slouches further looking like he's trying desperately to disappear into the berth. If he resonates sounds regurgitated it's because he does know why he didn't tell Arcee, but "she's a cranky, fun-sucking, pain-in-the-aft" probably isn't going to fly with Optimus.

"And there's...there's something else." He vents a sigh, finally looks tentatively over at Optimus. "I...I...gave Starscream your personal comm link frequency..."