Is it normal that I'm scared to have sex

Don't worry sweetie for having large labia. It is fairly common and normal. Many females have this sort of thing. Do not get embarassed by this silly things. Love is a emotional and psycological factor which comes straight from heart. If someone love you from bottom of heart of heart he will not be disappointed by your labia. Everyone have their own fetishes and large labia is one of them; they get turn on and very erotic to them. So enjoy life