How old were you and how did you tell your mum about having a boyfriend or asking permission to have a bf?

Well the thing is my mum nd dad joke around wgen i get home form skwl nd say hows ya bf (i dont hav one yet) nd i say yuck boys hav cooties gross nd they beleive me wen i say dat but i dnt really think that nd i want them to no nd i think i mite end up with a bf this year do i tell them wen i get 1 or ask wen they think i am alowed. I am also really nervous about tellin them nd dnt no how to wat do i say to them nd how old were u wen u told tem i am 13 now.