There's an amused hum from Shockwave, and a small twist of his lips upwards at her gesture and comment. It would be exceedingly hard to misinterpret, but it was Optimus they were talking about.

"It's not as simple as that." It isn't, even if he wished it was. "There are four million years between us now, and, well."

It's Optimus, and changing his colors to match hadn't been an effective hint. "I'll keep the suggestion in mind, however."