I think so

Oh ok that means he is basically a psychopath like and spend all night stalking someone and get super excited and then get caught

People with bipolar experience both episodes of severe depression, and episodes of mania – overwhelming joy, excitement or happiness, huge energy, a reduced need for sleep, and reduced inhibitions. The experience of bipolar is uniquely personal. No two people have exactly the same experience.(Copy and paste from Google)

Oh ok what does it do

It’s a mental health condition