Im intimidated by my bf sister

Hedieh • 💖💅🏼🌺💍💕🚺
Hey everyone, so my boyfriends sister is really pretty, she could be a model and I think Im jealous of her and ever since I have met her Iv been feeling insecure about myself. She has dimples and big green eyes ugh its pretty intimidating :( i just feel I need to compete but thats childish so I don't know what to do