Final answer:
According to Carl Rogers, Reese is experiencing congruence, as his thoughts about his real self and ideal self align, leading to a greater sense of self-worth and a healthy, productive life.
Step-by-step explanation:
According to Carl Rogers, Reese is experiencing Congruence. Rogers believed that congruence occurs when our thoughts about our real self and ideal self are very similar, leading to a greater sense of self-worth and a healthy, productive life. In this case, Reese feels encouraged by his father's support, which aligns with his own perception of his exceptional progress in learning the guitar.