Oh no i like someone else?

aw man i like this gurl eesah and my girl dont kno...i love my girl alot and the problem is i told her we is neva gone brake up n all dat n we got our whole life planed out bt now im rethinking it...do i really wana spend the rest of my life with this gurl?? im to yung man i dont kno if i can jus stick wit one so wat do i do