Yeah, f*ck you, customer service.
Angelou probably wasn't thinking about working retail when she said that. Her emphasis, of course, is to treat the people you love just as well as you treat the people you smile at only for the sake of a paycheck. This is something I am definitely guilty of. When I get off work, I am usually very hungry, and until I eat I am a total grumblypants. This makes me snappy and rude, and more than once Seanie has been a victim of my bad mood until I get food into my belly. Then I'm all sunshine and roses again, but it's still not fair to my poor husband, who has also had a stressful day at work and doesn't need a crabby wife on top of it.