Of course he won't forget it! It's impossible.

Too much had been revealed in the end, too much deceit and too many falsehoods exposed. It's not so easy to just lie completely with a straight face to him anymore. Why couldn't you just stay in your ignorance, brother? Why did you have to get involved when everything started to fall apart?

There's a long pause before he finally speaks. "I will try. Is even that much so hard to believe now?" he asks, his faint smile a little pained again.