Best way to tell an upset gamer that they are screwing up?

[StaceyPowers]

If an enraged gamer keeps pushing the wrong buttons and blaming the game, what is the best way to try to break it to them that they are making a mistake?

[Crazycrab]

Depends, do I actually like this person?

[Heatman]

If I actually have the time to tutor and play through the game for the gamer to learn where he's making mistakes, I'd do that easily.