In Colombia , there are some unwritten rules that people are used to , These rules are not officially established , but people do respect them . For example , on a bus , a person keeps a distance from another person , and people don't like to touch each other . Many people come to work late because they prefer to wait for another bus if the first one is too crowded . They don't want to have to stand too close to another person , or maybe they are afraid of starting a conversation . A friend of mine in Colombia once said his mom got angry because he came home late , so he asked her , " Mom , what do you think of most people arriving at their jobs so late ? " That gave her the answer to her question since everyone knows no one wants to get on a bus that is too crowded . His mother realized at that moment that customs have a big influence on a person's life . Sometimes , people don't like to make any kind of conversation or make eye contact with others . For example , when they are in line at a bank , they prefer to look up or down rather than look at other people . Moreover , people usually look down when they are in an elevator . Not only on a bus , in line at a bank , and in an elevator do people usually avoid talking to other people , but also in the streets when they are walking , they prefer to look down and to avoid contact with others . From the text we learn that    _    .
customs influence people's lives a mother always understands her son people respect each other in Colombia people like to talk in elevators in Colombia