They are not helpful at all. Everyone with half a brain knows what he should do, but it doesn't mean he can. So not only it is not helpful, but it is infuriati

They are not helpful at all. Everyone with half a brain knows what he should do, but it doesn't mean he can. So not only it is not helpful, but it is infuriating to be repeatedly lectured about the same old wives' advices he already knows, as if he was stupid. I won't even comment on the abyssal stupidity of your last sentence, you really have no clue of what you're talking about.