Feel like killing my self.

I'm 28 years old I have a two year old and I'm in school for lpn. I have no friends been single going on three years. I'm tired of the way I look I'm not 4'9 and nobody takes me serious at work and people think they can treat me anyway they want. I just wanna end my life. I love my son yeah but when people walk all over me it's enough that I've had with people. I hate my looks I have a baby face and a body of a child. I will never feel confident in myself in whatever I do.