For men who feel compelled to help their fellow man, this is for you.

You aren't wrong for what you do. There is honor and valor in compassion, so long as it comes from strength, not weakness. So long as you enjoy it and do not do it because others expect it of you or you feel that people will despise you if you don't help them, it is good. In fact, if you do it for any other reason, it's pathological altruism.

If he is your friend, treat him as an ally and always stick to your word. There are worse things than death and betraying your word to someone is one of those.

But...

If he is not your friend, you have no obligation to help him. And even if you think he is your friend, you should rethink your friendship and ask yourself how good of a friend he really is. Evaluate the relationship objectively.

Remember, most men are not your friends.

If he's not your friend and he stands in your way, destroy him and take pleasure in it.

Doing something and not having fun while you do it is pointless to me.

Winning feels great because of its spoils, but also because seeing others lose fills you with joy. It's in your blood to enjoy the suffering of others.

Sadism is a trait that all great men had, if only slightly.

In only one thing can all of humanity win together, and it damn sure isn't related to sex, money, power, or any art or hobby. So if you are competing against others in anything, do not seek to help them, unless it helps you, or if helping them costs you less than the net profit. Or if it's because you want to for no other reason than you want to.

Otherwise...

Fuck his woman if you can and enjoy it.

Make sure you get the better end of the business deal with him. Always.

When he shows weakness, exploit it. Smile at his stupidity.

And if you are the cause of his destruction, scratch that +1 to your killcount.

"Conan! What is best in life?"

"To crush your enemies -- See them driven before you, and to hear the lamentation of their women!"

Edit 1: psychopathy =/= sadism. A normal man can have moments of zero sympathy, like in war, but his default mode is empathy/sympathy. You can feel multiple emotions at once, thus you can feel sympathy for someone but also revel in their suffering if they are your enemy and you shut off your care for them. You can be a genuinely good person and still enjoy seeing your enemies suffer. Sociopathy is a default state of no sympathy. Whether said sociopath enjoys the suffering of others is a distinct function. It's called the Dark Tetrad for a reason. Four different things.

Edit 2: I'm surprised at how much moralizing is going on here. A lot of it is masquerading as strategic criticism, but it's thinly veiled. I've yet to see one good counter-argument.