Most people are not cops or firemen and do not have a constructive way to espress their agression.
Most people end up in normal jobs.
I don't know if there is a correlation between spousal abuse and people with "excess" testosterone that is not going to "good" use, but I do know there are correlations between spousal abuse and dissatisfaction with work/life.
Of course it wouldn't explain all cases of spousal abuse - that would be a ridiculous notion.
Stalin was a brute and street thug who came into power through murder and force.
Napoleon was an intelligent man and brilliant strategist.
There is a world of difference.
Pakistan and Iran are being thrust into the modern world as we speak.
I think it could manifest itself in many ways, depending on the individual circumstances - just like anything else.
If a person has rage, and that rage can not be expressed, it will turn inside and explode later.
When people institute boxing gyms in high crime areas, the crime invariably goes down.
When people institute nigt baskeball leagues in high crime areas, the crime invariably goes down.
These things aren't just keeping the "bad kids" busy, it is giving kids and young men the opportunity to express their aggression in a healthy way.
It gives them a constructive activity that burns off testosterone.
Take an agressive kid with a tendency towards fits of rage and restrain him in a small room.
What do you think will happen?
I think anything left in that room will be broken and the kid just may injure himself.
Take the same kid and put him on a football team.
He will calm down.
I think it's no coincidence that we are seeing a drop in healthy physical activity in children and teens while we are seeing a rise in school violence.