Change my mind. If you can.

(Wink wink!)

By making up your mind it shows that you think you are right thus showing your own preference of truth over falsehood, so by denying that as a subjective truth your mind can be changed.

;^)

If your mind was truly made up, you wouldn't be asking me to change it.

Bingo!
Happy Holidays! Thanks for a fun year!
;^)

I was changing his mind using reason and evidence.

Like lifting yourself up, it cannot be done unless WE change our minds. Changing peoples minds from outside CANNOT be done.
;^)