Why do people try to impress others? why can't people be themselves? for example i am always my self and every time that i am my self other people say cool, awesome, and amazing but all of my friends are not themselves, why is that?

Pam is pregnant, and her baby already has all the genetic information needed to determine its sex, hair and eye color, skin color, and even some personality traits. what stage of development has her baby achieved? zygote embryo fetus blastocyst