Thanks for your comment.

Aggressive or violent personality, and stressful or competitive environment increases testosterone level not the other way around. That is why violent inmates have higher testosterone levels. Studies showed that increasing testosterone level in psychologically stable men did not rise their aggression level or induced violent tendencies.

https://www.nature.com/nature/journal/v463/n7279/full/nature08711.html

https://www.scientificamerican.com/article/strange-but-true-testosterone-alone-doesnt-cause-violence/

https://academic.oup.com/jcem/article/89/6/2837/2870329/Effects-of-Testosterone-on-Mood-Aggression-and