Final answer:
The coach's last statement is an example of the Affirmation skill, which commends the client's self-awareness and encourages further positive action.
Step-by-step explanation:
The last statement made by the coach in the provided dialogue is an example of the coaching skill known as Affirmation. This skill is used to recognize and commend the client's strengths, self-awareness, and positive behaviors or efforts. Affirmation in coaching helps to build the client's confidence and encourages further positive action toward their goals. When the coach says, "You have very strong self-awareness of your needs and environment," they are affirming the client's ability to understand and assess his own situation and to leverage his work environment to assist in his goal of reducing sugar intake.