Many people with ADD find that certain forms of highly stimulating behavior help them focus, and they turn to these behaviors as a kind of unwitting self-treatment or self-medication of their ADD. Some people turn to gambling as a source of high stimulation and the concomitant focusing it provides. Some people turn to high-risk activities such as driving at high speeds or skydiving. In Brian’s case, he was using the high stimulation of romance to help him focus.