Wanted to lash out at someone

Guy begs me for adc, I relinquished the role. He goes 1-4 in lane and feeds. Now his bot lane is taking my lane.

Several times throughout the game I felt a strong desire to call him out for failing at the role he begged for...Instead I held it in and focused on the game.

After his 8th death he started to play better/ get more farm. We ended up winning.

I could have tilted and complained to him about his poor early game, but instead I focused on the game, which led to him focusing on the game and we won.