Fill in the gaps

You should install an [ ] system to protect your house.

1. After a month of living in the hustle and
   [ ]
   of a big city, I want to go to the countryside.
2. If you are afraid of
   [ ],
   you should install an alarm system.
3. Because of the good infrastructure in the city, you can enjoy a high-quality
   [ ].
4. The best thing about living in the village is the beautiful
   [ ].
5. In small cities, there is a high level of
   [ ].
6. My brother doesn't like living in the village because he's feeling
   [ ].