hey. I need help with this. I'm still in high school..I have been going out with my bf for quite awhile and he just recently told me he wanted to have sex, me, being as paranoyed about everything as i am said no because i was scared about diseases..geting pregnant you know stuff like that..i really wana know how you can have safe sex for the first time and how we can both be sure that we have no sexually transmited diseases..neither of us have had sex before..does that mean he and i dont have an std or something? please help a.s.a.p! thanks!