David had been mulling over the crime scene photos all day. Its all he can think about. You can tell this case is taking a tole on his mental health. He isn't eating as much, he isn't talking as much- and when he finally does talk, it's a;ways about how busy he is, or how tired he is, or how annoying the case is. You finally reached your breaking point with him when he said he was too busy to go outside. "Baby I'm sorry. I really need to work on this case. I don't have time to go on a walk with you. make tomorrow."