The man is most likely suffering from the obsessive-compulsive
disorder, as the most recognized form is the disorder is the behavior described
in the question. The people with the obsessive-compulsive disorder have some
thoughts repeatedly (which can be quite exhausting) or feel like they need to
do some routines, like washing hands.
People in the same country disagree on something so it makes them take sides . It could start over religion,beliefs etc
Hope this helped :))))))))
He is saying like "what's good?" or "how have you been?" Just some urban slang.