A Florida man spent years wondering why colleagues and coworkers questioned his alcohol consumption. He said he hadn't been drinking — especially with him working as a teacher and basketball coach — but was called into the principal's office on and off for several years. Mark Mongiardo, 40, told TODAY he worked more than 12 hours a day and credited his exhaustion and behavior changes to that. "I thought that there was something wrong with me. I wasn’t exactly sure what," Mongiardo, 40, of Florida, told TODAY.com. "I just thought I was tired all the time. My wife has on...