Answer:
Identity.
Explanation:
As the exercise introduces, in the stage of development called identity vs. role confusion. During this stage, as the examples given, the individual (among the ages of 12 and 20, like Jeremy) need to develop a sense of self and personal identity. Therefore, they start to search for it by trying different looks, interests; anything that accomplishes finding an identity to feel that they belong, to feel understood. When they find who they are they develop an ability to stay true, but when they fail they get confused and develop a week sense of self.
