My boyfriend out his cum from his penis by himself only at 08:00pm, he wiped his penis with his hand and after that he sleep lonely. After 3hours at 11:00pm he met me and then he want to sex with me. He little put his penis into my vagina and then i inhibition him. My question to you that after 3 hours late his sperm are alive ? I want to also tell you that my period sometimes take much time before this sex. Please, answer me clearly . :(    I want to added that my periods had done 17 March and its 25 April but still i isn't periods this month. But i don't feel any affect like Stomach pain, vomiting, headache.