Answer:
Clark is most clearly experiencing symptoms of a behavioral addiction.
Step-by-step explanation:
A behavioral addiction refers to any main activity which has become the center and main focus of an individual's life.
Symptoms may include:
- Extreme necessity to carry out the activity
- Loss of control regarding it
- Lack of attention to other life areas
- Irritability if the activity cannot be carried out
In this case, Clark needs to place larger bets to experience the same excitement and he feels restless and irritable if he cannot do so, he has a behavioral addiction to race tracks.