[This lack of words is pretty much the best thing that can happen right now, aside from perhaps a time machine. When the barrier disappears the two pirates seem to be fitted with Impact Dials with the way they violently fall in opposite directions. Despite the stumble Sanji miraculously manages to keep himself upright, stubbornly keeping his back turned to the sharpshooter. In fact, he's doing everything he can to convince himself that the other isn't even there, none of this happened and if he can just think that hard enough, long enough... then it will become true.
Hands shaking for no reason what-so-ever he fumbles with his jacket pocket, groping for the pack of cigarettes. That must be it, why he's feeling all sick and nauseous and like a million showers couldn't make him clean - he hasn't had a smoke in a while and now his body is experiencing withdrawal. Of course. Never mind that he's gone without for much longer before, that is logic and logic is not welcome here. Go away. No one likes you.