Should I Ask Him Out?

I realli like this boy, i flirt with him and have lots of lessons with him, i realli like him, should i ask him out? We r realli good friends and hes addmitted it, i dont know if he likes me tho a friend asked him and he replyed shes ma best m8. please help me coz i realli need help!!! Ive had a crush on him for ages and realli wanna get wiv him