sober - Serious and thoughtful in mood or behavior, not playful or exaggerated; or not under the influence of alcohol or drugs; clear-minded.

It was a year since he gave up drinking and had decided to remain sober all the time, and it took strength to just walk past the bar.
morale - The overall confidence, spirit, or mood of a person or group, especially during challenging times, with a level of enthusiasm and dedication.

Because everyone blamed her for whatever went wrong in the department, this led to her having low employee morale.