Answer:
Get enough sleep, eat well, and exercise regularly. Reach out to family and friends when times get hard. Get regular medical checkups, and see your provider if you don't feel right. Get help if you think you're depressed.
Explanation:
I mean, find what you want to work on when feeling mentally unstable. I guess just make a goal to what you want to achieve when doing this.
Answer:
Always check your surroundings to ensure that there are no active hazards. If there are, you will need to either remove the hazard (if it is safe to do so), or prevent others from entering the area until first responders arrive.