HELP PLEASE ! Need to know if this is right from his part :((?

well im talking to this kid for a long time , we known each other for a pretty long time lol , and we been going back and forth saying i love you <3 , he said he wanted to be with me forever , he loves me with all my heart , and that im beautiful , Well not to be a stocker , but just making sure hes not talking to other girls , on facebook i Just saw he kept commenting this ones girl photo saying 'youBeautifulul Naturalal beauty ' the same thing he says to me ! so she asked him to inbox her , and he said alrighty then , so im just like wow ! idk if thats somthing to worry about or not help !, but we are not going out yet , but he shows that he is commited to me tho .