My Lover Is My Husband's Younger Self
"
The older Robert looked at his younger self, then at me, his expression solemn.
"I, Robert Bowen, swear to god that I will never disappoint, hurt, or let Kaitlyn Hudson down again. I will never neglect or ignore her, and I will always love her, protect her, and cherish her for the rest of my life.
"If I ever break my vow, may I be struck by lightning and die a horrible death!"
Teenage Robert nodded in satisfaction as the vow was made.
The older Robert then retrieved a tiny velvet box from his pocket and opened it, showing me a familiar diamond ring nestled inside.