A verrrrry interesting convo is going on regarding this question that involves a) those that like to drink in bars and do not wish to be disturbed, and b) those that don't give a shit about "a" and force the person to converse anyway. Chime in with your (asked for!) opinion in QUESTIONLAND!! (Where, if you're going to sit there alone? Bring a book.)
- "Don't talk to me, or I'll eye-stab you."