The context of the following conversation is Carson and Sasha were co-workers who were working on a project together when all of the sudden Carson launched into a verbal attack on Sasha.:
Sasha says It was totally unexpected.  I was working with Carson on our project together when all of a sudden he started calling me names..
The friend responds What's wrong with him?.
Sasha responds I am not sure.  He seemed off that day.  He might have been on drugs..
The friend responds Is he an addict?.
Sasha responds I told him his behavior was uncalled for and I left..
The friend responds Good for you..