Jee nahi aisa bilkul zaruri nahi hai ki pehli baar ex ke duran blood aye hee. Kaumarya ka poora daromadaar hymen ya jhilli se juda hua hai. Yaad rakhiye ki yeh bahut hee asani se toot saktee hai, jese cycling, horse riding ya khel-kud ke duran. Apnay mann se doubt clear kijiye aur yeh padhiye: http://lovematters.in/hi/resource/faqs-hymen-and-virginity