I am with Lil on this one.... even if the cashier doesn't enjoy his/her job, at least fake it!

What I do when I run across a "grouch" like that is I talk to them. I tease them, tell them they look a little tired, or say they look like they should take a break.. stuff like that. Most of the time, that kinda brightens their day and they are in a little bit of a better mood. I understand that it is their job to be cheerful and such, but sometimes I feel sorry for them - expecially after they just dealt with a customer that was totally obnoxious to them for no reason. If I can make them smile, then hopefully the next person they serve will reap the rewards....

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A blessed thing it is for any man or woman to have a friend, one human soul whom we can trust utterly, who knows the best and worst of us, and who loves us in spite of all our faults.