Apology Letter For Telling a Secret
Dear {Recipient},
I'm so sorry I told {name/s} about {secret}. I feel terrible for not being able to keep my big mouth shut, especially after I promised you that I wouldn't tell anyone. I had no intentions of breaking my promise, but that doesn't matter. I let you down and I completely understand your {anger/frustration} towards me.
Please let me know what I can do to make it up to you. I value you tremendously as a {friend/colleague/family member} and I want to prove that you can trust me again.
Apologies again,
{Your Name}