In bodybuilding, the common use of muscle isolation leads to an increased rate of muscular adhesion. This can cause an increase in intramuscular scar tissue.
The presence of scar tissue is a precursor to decreased movement capacity and overall dysfunction. You must take your mobility and soft tissue quality into your own hands, literally.
The author was sentenced to 10 years in prison. He started lifting to build up his self-esteem and, more importantly, to protect his ass from getting shanked.