You were the one he was supposed to protect, a simple city resident who was looking to buy their own car. Which was the perfect cover up for him to get in as your guardian.

After you had managed to haggle down the price, you were handed the keys to his vehicle mode. And with that, you drove Bumblebee home.

It was after a few weeks where he started to get restless, managing to leave in the middle of the night and returning in the morning. But no matter what, you made sure his vehicle mode was always tended to.