For girls which is older or same age with the boy will always think tat boys are CHILDISH ??? =.="

I dun understand y girls in nowadays always think tat boys are Childish ? is it true tat all the girl are mature than a boy while they are on the same age ? evrytime i ask my friend how u treat me like ? then she may answer tat " U " ? ure my little bro -_- ~~ jus like tat .....tat's y im nervous with tis problem .... is tat true tat i really a childish boy ? or they dun really treat me as a MAN .....its kinda hurt when i ask my friend about tis question ....i've been friend with them for such a long time ......for friendship within 3 years ...they told me tat i never change ....it seems like the same like b4 ~~ VRY CHILDISH ......but actually ...for the comment they gave me last time .... i keep on changing with myself .... but finally ....i also in the same stage which they told me last time ...it never change ....WHY ? ....tis mean tat i really CHILDISH forever ? ..... they will always give comment for those who hv a great changes? ...but im not ? i've been with them for around 3 years .....but evrytime i heard tat xxxx become handsome edi mature edi ~~ or xxx vry kind .....evrytime the person who get praise will not be include me ...... they will jus praise others but i'll be except for all the times......WHY ?.......tis problem kept in my heart for so long edi .....its kinda sad tat's i always a child in their mind ....even i've change but they seems like assume tat i didnt change at all ......is it the way i change is wrong ? .........its kinda hurt when i get the answer from them ....i keep on asking myself is it their observation bad or i really didnt upgrade at all ....but watever it is ....for what they comment me ....i'll try on my best to change .... 1 day ...i must show them i've change ... sometimes i remind the things i did b4 .....i really treat them as good as i am.... i really enough of gentle for them edi .....but y i still remain the same standard for what they think about me .... i dun wan be a child for them for the whole life .....