"Hasn't that always been a thing between you two?" Bee half jokes and then shudders. "You two and your codependency issues..."

Bumblebee is just calling it as he sees it. He's seen a lot between those two over the ages and some of it? Just downright creepy. Bee won't say that, of course.

"But it might be a bit of that. Might've happened sooner if I had talked to you when you asked for me."