The correct answer to this open question is the following.
According to Erickson's theory of psychosocial development, Tom is demonstrating identity versus role confusion.
Erick Erickson established a predetermined order of 8 stages of psychological development. These start in childhood and ends in adulthood.
In the case of Tim, he is passing through stage 5, a psychological crisis of "identity vs. role confusion." The basic virtue of this stage is fidelity, and the years when people live in this stage according to Erickson is from 12 to 18.
The other Psychological states are Trust vs. Mistrust, Autonomy vs. Shame, Initiative vs. Guilt, Industry vs. Inferiority, Intimacy vs. Isolation, Generativity vs. Stagnation, and Ego Integrity vs. Dispair.