It is rude to complain about waiting.
A bored Rachael has been waiting for her food at a restaurant for twenty minutes.
Rachael wants to get rid of her boredom.
Rachael plays games on her cellphone until her food arrives.
Rachael passes time by making comments about the wait time to the person sitting near her.
Rachael receives a free desert for her  long wait time.
Rachael feels bad when she notices a waitress crying after walking by her table.