Generally there a number of reasons why people tell lies. These reasons usually seem to be justifiable by the person informing the lie. Occasionally the person will tell a lie to protect themselves from being falsely judged. They may inform a lie thinking they have got something to gain.
Telling a lie to avoid being judged falsely may appear justifiable at first. However feeling shame about how someone might judge you about some aspect of your daily life, might be an indicator you’re actually doing some thing wrong. The program you are taking might be bothering your conscience. This may be making you lie based on how others might view your actions so that you can justify your actions.
Telling a lie to gain an advantage over someone or gain some type of material gain is also common. This type of misdirection or deceit is used in the wonderful world of national politics and business. Sadly it is utilized in politics to gain favour in the voters to gain office. Sometimes it is hard to detect at first because the promises that are made seem beneficial to the people. In the long run these promises never come to fruition. Telling a rest in the wonderful world of company is used to secure contracts and favours to grow financially. People tell lies to gain positions as well as employment. These lies are told for personal gain.
Telling lies for personal gain or to avoid critique often come back to haunt the one who created the actual deceit. It preferable to be honest and prevent telling these kinds of lies. You can be best in the long.