I'm 20 years old. I've been with my boyfriend for two years and there has been a constant arguement. I have only had sex with him. But he has noticed my vagina being open sometimes and closed others without any type of sex. He says that its because I'm having sex with someone else but I'm not. He sa...

I'm 20 years old. I've been with my boyfriend for two years and there has been a constant arguement. I have only had sex with him. But he has noticed my vagina being open sometimes and closed others without any type of sex. He says that its because I'm having sex with someone else but I'm not. I hea...