u/Glitch_in_the_matric

Hey, I am 23 y/o M, Been in a relationship for past 4 years. I and my gf are both undergrads. The thing is she's forcing me to get married. But I am not sure about her virginity. She's always so horny and talks about sex. But I really dont want to be physical before marriage and i also have doubt on her virginity. What to do? I cant ask her directly, she'll be upset