We often, on this subreddit, talk about the many psychological and mental pitfalls that men allow themselves to believe, as well as the subsequent suffering these men experience because of them. Tying in with the Dark Triad traits, I think, is the pitfall many of us, growing up around cheesy Disney films and indoctrinated in fantasies of true love/getting the girl, find ourselves entertaining even after our "beta days" are gone, that is, we see ourselves the hero of our own story.
It's not a conscious thought for most, but take a look at what the typical beta male thinks, what we thought before educating ourselves, and you'll see patterns similar to the structure of a cheeseball underdog film. The villain has the girl/power/popularity, while the "hero" is an overlooked loser with, supposedly, a lot of gumption, and after taking merciless beatings at the hands of the villain, he gets an opportunity to do him in once and for all, getting the girl/power/popularity he "deserved".
The beta male sees someone with a girl he likes/popularity/money/power, so he sees himself the automatic underdog, as he has the "gumption" to challenge him, that is, once his "opportunity" arises (the girl leaves the bad guy for a beta provider). Lesser men, you see, wait for opportunity to strike, but seeing as the universe has no plot to speak of, his opportunity rarely arises and, if it did, he's already so used to sitting on his ass that he doesn't take it.
The "hero mentality" as I like to call it, waits for a chance to prove he was great all along, doing little to prepare for it in the process. That is, he fails to achieve greatness, because life doesn't give us a weak point in our obstacles that we don't have to find ourselves.
I think seeing oneself as the villain of these men's stories rather than an underdog hero is much more conducive to success. The Villain does not wait for an opportunity to move higher in the world, he makes those opportunities and steps on any lesser man who gets in his way. The Villain doesn't wait for the girl he wants to choose him, nor does he get attached to that one girl; he sees what he desires and takes it. Most importantly, the Villain puts himself first, while the hero puts others first because he believes that is the path to success. The hero doesn't grow stronger every day, the villain, the dark triad man, does, and the hero doesn't have minions or goonies to do his menial bidding.
The hero is a beta. The villain is an alpha. Don't be the hero of your story, be the villain of everyone else's. Crush "underdog heroes" beneath your feet, and you'll find you're a hell of a lot higher in the world than the broken bodies under your boots.
EDIT: I am NOT saying you should have the morality of a villain. I don't believe there is a true definition of good or evil, and I never suggested doing anything that could get one arrested or ruin one's life. We can argue semantics all day, but all I proposed was entertaining the mindset of someone who takes and conquers rather than waits and prays. This is typically how a villain is portrayed in a large margin of cinema, modern literature, TV, etc. Also, I just said this idea ties into that of the Dark Triad, I never endorsed the direct development of those traits. Other than that, it's great seeing varied viewpoints on this idea, rather than downright condemnation or blind acceptance. It reminds me of why I like this sub so much; we see an inconsistency, and we tear it apart so that the idea may mature.