Exercise with a friend of partner will enhance your safety

Yes say if your bench pressing heavy weight the, you can ask them to spot you. Cause if you do a lot of reps and can't lift your last rep the bar is gonna either end up choking you causing to suffocate or crush your chest fracturing one of your ribs. 

Hello user•tape measure•calipers•mri/ct scans •air displacement plethysmography •body fat scale•hydrostatic weight hope this : ))

Paranoid schizophrenia i believe