What Should I Do About Mii Situation?

ok i've been knowing a boy 4 my whole lyf {12 years}we're not cousins (so dnt asume) i really lyk && luv him...he lyks meeh 2 =]...mii mom knos that we lyk eachotha and ive cried ova him alot wen he didnt lyk meeh and ive lyked him 4 a very long tym and he asked meeh 2 go wit him the otha day and i only tole mii nana (godmotha) and his nanny (Mary) bt n-e wayz idk how 2 tell mii mama cuz i do thinx i need 2 tell ha bt how??? cuz im not supposed 2 have a boyfrann so wut should i do