It is always difficult when they do these things, i.e., packing and showing you things around the home. It's normal to feel sad. After all, you are in the grieving mode.
Once he has packed up all of his things, think about redecorating, moving things around. It will help to fill the empty void in the room, closets, drawers, etc.
But most importantly, be kind to yourself.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.
