1. Many water loss when you showering. It is recommended to limit your shower time to reduce water use.
2. Change your lawn plant into the one with low-water needs. Sprinkler needs much water. Also, check for broken or leaked sprinkler.
3. Use device which more efficient in using water. This include washing machine or sprinkler.
The answer to your question is B. stressor.
A stressor is an event or situation that causes a strain on your body or mind.
What are the options i would think self discipline.
I depends on the medication/prescription you have, it should be on the bottle