World News

There is no proven connection between testosterone and aggression (assuming you weren't just making a joke, of course); https://www.sciencedirect.com/science/article/abs/pii/S0018506X19304519, https://www.health.harvard.edu/healthy-aging-and-longevity/testosterone--what-it-does-and-doesnt-do, https://www.numan.com/low-testosterone/symptoms/is-there-a-link-between-testosterone-and-aggression.

Something I found interesting from https://www.hims.com/blog/does-testosterone-make-you-angry (but didn't really want to list as a source given it's from an inherently biased company; though, to be fair, it cites all its sources for the info. listed therein) was

Sometimes, testosterone’s reputation may function as a self-fulfilling prophecy.

In one study, men who believed they had received testosterone became angrier and more aggressive during a task — even if they’d only received a placebo. Their expectations about how testosterone “should” make them feel seemed to drive their reactions more so than the hormone itself.

A similar experiment with women found the same result, but in reverse. Those who actually received testosterone (but weren’t told so) behaved more fairly and cooperatively in a bargaining game, while those who merely believed they had taken it (but had not) acted more selfishly and aggressive.