I used to know a girl who lied to her mother about everything she did. Why? Because her mother never trusted her and wouldn't let her do ANYTHING. It was obvious that her mother didn't like her, let alone trust her. This girl did a lot of not-so-cool things. I'm sure mine have, too, but usually they let me know what's up with them. Probably because I didn't assume they were doing something "bad" every time they were out of my sight.