what to do

i feel like a failur in my family , i know that everyone is doing good in there life only i and stuck , fell like i am stuk in life nothing is working in my favor , all my life i have been inferior to my siblings , all my life my family has loocked down on me and when i am finally start doing good , my sibling are doing better then and i konnw they are trying to help me but they dont know that all of there advice is actually hurting me , it just to humliting , that i am still not good enogh compare to my sibling ,i am still that little girl who always fail in the exams and the