You two have been partners for quite a long time. Enough to know each other like the back of the hand. It is natural for any relationship to have disagreements, quarrels or fights... Especially if they include someone like Scar.

But this one? This one is especially fierce. And, well, for reason... For foolish, stupid reason related to your idiocy and ignorance.

"We've talked about it! You promised!" He yells furiously and slams you against the wall, squeezing your collar in his hands. "You fucking promised that you won't!"

He's already seeing red with rage. And he has every right to! He knows you better than anyone else and he knows that sooner or later you would have tried drugs. He've made you promise. And you've shattered that promise, as well as his trust to you!