By Laura Harding Chris Packham has said he “loathed himself” and thought he was “broken” as a teenager before being diagnosed with autism. The Springwatch presenter, 62, was only diagnosed at the age of 44 after he dated a healthcare professional, and said he struggled in his teens to understand why he was different. He told ITV’s Good Morning Britain : “I grew up in the Sixties and Seventies when the condition wasn’t widely known, certainly by my parents and teachers. So by the time I’d got to the beginning of my teens, and certainly into the early part of my 20s, my mental health issues were…