When Bre Cain was in their 20s, their finances were hard to manage. There was a lot of impulse buying, including ordering food and clothes that they couldn't afford, to seek comfort. Cain also said they were signing up for subscriptions they already had but had forgotten about. But after being diagnosed with attention-deficit/hyperactivity disorder three years ago, Cain, now 30, started to understand the reasoning behind those financial actions and began to put in some financial "bumpers."