What do the following 20 statements have in common?

If you have to say it...it's probably not true

1) I'm great in the sack.
2) Values are important to me.
3) I'm not prejudiced.
4) I'm a strong woman.
5) I have a large penis.
6) I know what's best for my child.
7) I'm not at all gay.
8) Our workers are happy.
9) I deserve this.
10) I'm really good at (X).
11) I love healthy food.
12) I'm really smart.
13) I'm okay with being alone.
14) My friends say I'm funny.
15) I could totally kick that guy's ass.
16) I have faith.
17) We value your input.
18) To us, every person matters.
19) I know where I'm going in life.
20) I'm not angry anymore and I really feel that I have grown from the experience.