Athol Kay for ev-psych aware long-term relationship advice. (Holy crap it works).
That guy's stuff has been said to have a shitload of mistrust, manipulation and misogyny which poisons reasonable everyday advice about getting along.
Check out the comments there on how this overall attitude to relationships that he (and other stereotypical PUA writers) present can be so nasty, despite some grains of common sense that it contains. Seriously, would you enjoy playing the part of a cynical, paranoid control freak with a person whom you want to be your life partner?
Athol's advice is useful, he does excellent work advising couples with very poor marriages. So far I have not encountered anything that is more unethical than any mainstream relationship advice. Indeed I think it less toxic than mainstream relationship advice.
As to misogyny, this is a bit awkward, I actually cite him as an example of a very much not woman hating red pill blogger. Call Roissy a misogynist, I will nod. Call Athol one and I will downgrade how bad misogyny is.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.