To my dearest PARTNER_NAME,

I, YOUR_NAME, hereby acknowledge that I messed up by INCIDENT_DESCRIPTION.

(Generate a hilarious hyperbolic comparison for how badly you messed up)

I sincerely apologize for:

1. SPECIFIC_THING_1

2. SPECIFIC_THING_2

3. (Generate a third, silly and slightly self-deprecating apology point)

(Acknowledge how your partner might have felt, with a touch of humor)

I promise to make it up to you by:

(Suggest a thoughtful way to make amends, related to your partner's interests)

(Generate a silly but sweet declaration of love and request for forgiveness)

With all my love,

P.S. (Add a personal touch or inside joke relating to INSIDE JOKE)