Retail does tend to make people cynical.. But when you see sick people coughing in their hands and they then go to give you money you definitely think.. "Wtf? You're not about to give me that are you? Are you selfish enough to contaminant my whole till/register with your diseases and infect other unlucky customers later? FOR SHAME ON YOU!"
Hate people like that.
Also people that want to have a long conversation with you while theirs people waiting behind them yet you dont want to be rude so you just try and end the conversation but they keep going? Ugh hate those people!