Iv Got A Boy Friend But I Like Some1 Else Plz Help

Well im goin out with this guy called rowan who i really like but iv started 2 like this other boy called george well iv kinda always liked george. So my boyfriend rowan loves me so much. He never wants to break up and he is looking forward 2 our next date. But george doesnt egsaclly like me. I dont know why though. And he doesnt know im dating rowan at the moment coz we have never told any1. I have heard rumers about george actully liking me but i dont no weather they are true or not.. So if i ask george out do u think it would be ok with rowan if i broke up with him???????
Plz plz give me some advice.
Love jodie xxxx ps im 12