It's an unwritten law of murphy that the more experience you get the more dangerous you become-- albeit insidiously...
The worst combo know to manned flight is the attached EP in town to log off beans flying all week with his ol'bud who happens to still be Chief of StanEval...
I've had a few good times with that...
Safest dude to fly with---
Co-Pig -- because no one trusts you...and you sure as hell don't trust your self.