Yeah Hopefully You Can Me And My Girlfriend Are Having

Yeah hopefully you can me and my girlfriend are having some bathroom issues every time we go to have a romantic intercourse she tries to push me away and she's scared to even want to have intercourse and then when we start to have intercourse she pushes me away and flinches back and tells me it hurts is there anything I could do on my end or is it in her mind why she is thinking this please help