Why does it matter if I forget the words, if it means they can't be used against me?

[That seems like a small price to pay, miniscule even, and he can't imagine that this is the part that T'Challa thought would be unpleasant. He glances down at the tablet in interest, but such technology is beyond him. He's been taught how to use weapons and vehicles, the internet, but nothing this advanced.]

Will it make me forget anything else?