Because they're spineless?
Or because they're trying to protect you from something that would upset you.
Because it is by far the easiest solution to a problem and some people are just wimps
I don't know. Not all people are. don't generalize.
because sometimes the truth hurts
because the truth really hurts!!
Because they learn early it gets them what they want or gets them outta trouble .<br />
I am a liar and I'm not sure I know any over the age of 1 who don't lie . I don't tell whopping lies but I do tell them .
For the bigger ones it's often about power or like gemzayyy said they're gutless .
It is complicated though , substances may be a factor too .
For compulsive liars I think it's because they themselves can't face what they really are , they feel inadequate .
Trickle down economics!