What something started out as a "prank" turned out to become something deeper, but ended up horribly, just to put a prankster into 200 years of resentment over his actions out of spite but also to teach him a lesson to cherish what was important he found...
Caious you are a dumbass. Apologise don't just whisper sweet nothings into her ear.
What she wants to hear are not your empty words of how much you love her but your honest words of regret and reflection.