According to erikson, if an adolescent struggles to find and adopt a suitable identity, he/she may do

He/she may exhibit socially unacceptable roles as a way of expressing what/who they do not want to be, have difficulty forming and maintaining long-lasting and close personal relationships, and develop a sense of self that is "diffuse" because it is not organized around a central, unified core identity.

Hello user•tape measure•calipers•mri/ct scans •air displacement plethysmography •body fat scale•hydrostatic weight hope this : ))