eye would agree that people who dont have the best intentions tend to get a little uncomfortable with eye contact. but bottom line, if you are carrying, either get the confidence or stop carrying, because carrying allows you a certain amount of confidence which you may not have had before, and not all eye contact is bad eye contact, people say hi through eye contact, some people can even say i love you through eye contact, i am deviating from the point though, if it is eye contact with a possible subject that may attack, hold that eye contact, never take your eyes off of him. if he advances in a hostile manner, draw on him, provide the warning, and if it is not heeded, then fire if its a life threatening situation. you have no other recourse. and as previously stated, when drugs are involved all bets are off. i once encountered a guy that was drugged up on only god knows what, not only did i spray him twice and almost point blank range and get him in the eyes and mouth, but he continued to advance blindly, and i had to resort to my baton. my partner and myself both utilized batons, i stepped in front of my partner initially because he drew his baton first, but i was hoping the pepper spray would stop the suspect and it didnt, we both defended with batons, i bending mine around the suspects knee. had to buy myself a new baton after that. but it was amazing that the suspect still managed to stagger away and even made an attempt to leave the scene. I was surprised he could even stand after being hit in the knee and arm the way he had. thank god neither of us drew our weapons, but as eratic as his behavior was and as uncontrollable as the situation was, he was too close for a firearm to be anything other then a danger to use. subduing him was our only concern and a firearm wouldnt have done it. that is why I always carry pepper spray, a baton, and a punch knife, because sometimes a firearm just isnt necessary, sometimes there no time, sometimes its more of a threat then it is a savior. for close quarters, always have a knife, it allows you to stab and then retreat. which allows you the distance to draw without the firearm being a threat. trust me, after you've put a knife into someone, it changes the dynamics of everything. blood can be very persuasive, it reminds us of our mortality, drugs or no drugs, pain is not always an indicator that we are alive, it lets us know that things are not going as planned. personally, if you can fire off pepper spray as the subject is advancing, even better, they cant see when you draw on them.