Should i tell my boyfreind?

yesterday i didnt talk to my boyfreind at all cuz he waznt online and i got my phone taken away... and i chated online with this guy that i met on yahoo answeres, i asked him the question that i just posted not to long ago, and after awile he told me that i should give my bf oral, and we started talking about it, about me and my boyfriend, should i tell my boyfreind about it??? and if i do, wat should i say??? i need help!