This will be a short post, straight to the point.
Shit tests from women are neither good nor bad. They are simply to test your fitness. They try to poke holes in your demeanor to test if you're as strong as you're portraying. They are testing your evolutionary fitness. Simply an amoral truth.
A corollary that I've noticed is that the more you change as a person, the more shit-tests you'll get from men. That's right. Now obviously it's not sexual in nature, but the underlying concept is the same.
This pertains to the majority of the plugged in men who are weak (it does not apply to other men striving to reach their own peak potential).
They see you as different. They may have known you earlier when you were younger and softer, and they may have even liked you better before (probably because they could walk all over you easier).
But if they see you changed, if they see you get serious about your diet or career or lifting regimen, they will try to poke holes in your demeanor. They will challenge you not because they want you to be better, but because they want to see if you're pretending.
They wish you were still soft inside, and don't want to believe someone could change at their core. They might try to "bring you down to their level", the most important part of which is to "bring you down".
Never forget that you're on your journey to reaching your peak potential. Other men may shit test you to poke holes in your strength, to really see if you've changed.
Recognize what they're doing, immediately cut them out of your life, and use it as a filter to see who actually has the balls to join you on the journey of extreme self-improvement.