I believe there are three main reasons why people choose to lie
1. Because they fear judgement and ashamed of who they are and what they have done
2. Because they are trying to protect the feelings of the person they are lying to.
3. Because the person they are lying to, they view them as weak minded and gullible and they feel they can get away with it.
These in my opinion are the reasons why I think people lie. Comment below any other common reasons why people lie and do you believe lying is neccessary in order to protect somebody or should you tell the truth regardless?