Im pretty sure it’s 5 years
Georgette most probably has hypothyroidism which presents with weight gain, easy fatigability (which Georgette has), as well as other symptoms such as constipation, cold intolerance, and slow and slurred speech. Hypothyroidism is caused by the deficiency of thyroid hormones most commonly caused by iodine deficiency followed by the autoimmune destruction of the thyroid gland called Hashimoto's thyroiditis.
A or B are both the best options in this case, but B is the best option overall because if he is interested in an activity, then he will have more motivation.