"I... I guess you're right. Sorry. I spiraled again, I just wanted to apologize before and instead it ended up here." Rock rubs his eyes. Trying to focus on the words Optimus tells him. How he'll never be static.

And Rock knows. He knows he wouldn't be that happy carefree child forever. But, he's scared at what parts will change. Even if they need to change.

What does he let go. Can he at least choose?