How Does Testosterone Really Affect Personality?

Pretty much, just like TRT.

Longjack primarily works by stimulating the release of free testosterone and reducing sex hormone-binding globulin (SHBG).

Since it doesn’t shut down the body’s own testosterone production (like anabolic steroids or prohormones do), there’s no “crash” or suppression that requires post-cycle therapy. However, any benefits experienced while taking it—such as increased libido, energy, or mood—will likely diminish once supplementation stops.

Now, if low-T was caused by other factors (stress-induced low T or a basic vitamin or mineral deficiency) and those factors are corrected, T levels may remain elevated.