How do you tell the difference between mental illness and a normal reaction to stress? I've never had problems sleeping, I never used to cry, and I always loved my hobbies. Now I can't sleep regularly, I'm occasionally crying spontaneously, and nothing holds my interest for long. The thing is, I've had financial problems, my wife is sick, my career plans are falling through left and right, and I'm working nights trying to scrape by. Things have been hard before but this is the first time I've felt like I'm losing control.