Do you work in an after-sales service?
So you know the rude customers who get mad at you.
It's really unpleasant and tiring, in the long run.
Here's a trick that might help you make customers a little nicer.
The trick is to place a mirror behind you. Why ? Because nobody likes to see themselves getting angry :
Place a mirror behind you so customers can see themselves when talking to you.
There you go, with this trick the customers should be more pleasant :-)