Strange feeling. Is happening to me?

One week ago I was thinking about my childhood memories and suddenly I recalled a TV serial that I used to watch in childhood but at that time I was unable to understand most of it because I was a kid,so I took my phone and started to watch the show ,I don't know what happened to me,I feels discomfort and fidgeting if I not watch it and I saw 100 episodes in 7 days,don't know why I relates it to my life and things happening in my life,unable to concentrate on studies and my exams are starting from 2nd March ,I'm in 12th standard,so I google searched it I found the symptoms of ADHD,I am so afraid what is happening to me,am I becoming mad? My past is not much good I never enjoyed my childhood,my nutrition is also not good because I only preferred studies since I was a child,my mother and father lives separate due to some problems from a long time,but I visits my father and he often comes to meet me.i don't know what is happening to me? Please help.