But what would happen if one state (you know which one) could actualy gain control over more than 51% hash rate though?

For the matter of fact, everything that's going on right now is a distraction. The louder the situation, the quiter their moves

My stress is always self-induced and not caused by external factors, so I do something to stop a tornado in my head and move my attention to the body.

I take a cold shower, do some yoga, exercise a bit, meditate, take a walk or ride a bycicle around the block, works like charm to me.