How do you deal w/ coworkers who use to talk to you and now keeps to themselves because of layoff?

CEO's email to everyone is imminent layoff. I'm minding my own business when I look over to my coworker by chance, he'd look at me like a deer caught in front of a headlight and asked, "yes". He asked me again later that day when I looked over his direction as I was getting up from my desk. That was nerve wracking as well as the usual people going together for coffee and are chatting about the layoff. I'm not included since I'm a consultant. Then the nervous guy asks me about the report I did for him on how to do it. Guess my coworkers are planning ahead to take what I have before I'm possibly let go.