Help?!?!?!?????!!!!!!!!?

ok well i like this guy and he likes me but he has a gf haha who cares=) but anyways who i nohe likes me is cuz my bffe is bf's with him and they tlk bout me and yea well she asked him do u likes jess cuz she likes u and he said yea and blah blah but now my prob is tht he wants me to tlk to hi and im nervous i dont no what to tlkt o him about what if i sayy the wrong things and if i dont tlk to him then he woulnt want anything to do with me cuz he will think well she dont wanna tlk to me she must not like me tht much omg plz help me !!!!!!!!!!!!!!!!!!!!!!!!!!! sorrii it was so long just plz help