( And Shockwave would remind him that he went willingly, and wouldn't change his decision if it meant saving Roller's life. What he became was not Optimus' fault. If anyone, it was his own for not fighting through the Shadowplay before.

Hedging his bets that physical affection is something the Prime rarely experience, he keeps at it. After all, Optimus hasn't registered any objection to it. )

Then we would never learn from our mistakes. If the Guiding Hand exists, they've done us a favor by leaving us here alone to make our own way in the universe. ( But! ) There's more than two constellations in these skies, Optimus. Surely you know the story for another.