I told a close friend of mine a very big secret. I don't think that they will tell anyone.  I'm hoping.
I told my close friend a very big secret yesterday.
user
Oh really, were you supposed to tell them?
assistant
It was my choice. I really don't think they'll tell anyone! They're good people.
user
You can never be to sure now a days, they might post your secret to social media.
assistant