Hello....i Need Help...i Am A Virgin.. But Sometimes I Make

Hello....i need help...i am a virgin.. but sometimes i make myself cum by rubbing my legs togetger tightly...but i want to know that is it dangerous in any way...i dont want to lose my virginity or my hymen to break as its crucial for me to be a virgin before marriage in my culture...plz tell me that whether making myself cum like that is dangerous in anyway for my hymen to break...and if cumming releases any kind of hormones that are harmful for me?