I had this happen too! Though I didn't realize what happened at the time.
One of my colonist got injured during a raid and died being carried back. His wife and the rest of the colonist didn't get any mood de/buffs (and his wife had a new lover literally the next game day).
One of my colonist got injured during a raid and died being carried back. His wife and the rest of the colonist didn't get any mood de/buffs (and his wife had a new lover literally the next game day).