confidence?!! (@n@)

din i hv a confidence?
i try 2 ask myself ..
again n again...
tis problems i cant solve it by myself....
many times i told myself cant b now de me...
but..
at the last..
i cant do it also..
haiz...

i din hv confidence to do the things tat i do~~
izit myself problem??
izit i think to0 much??