- Unable to concentrate on study or work because of their phone.
- Have gotten into danger by being on their phone while walking.
- Insufficient sleep every night due to their phone.
- Going into the toilet with their phone and not coming out for 1 hour or more.
- Beginning to tremble with anxiety when they are out and their phone charge goes below 10%.
- Amount spent on phone games last month exceeded monthly salary.
- Feeling a thrill when a message notification is received.
- Unable to stop checking Twitter every 10 seconds.
- Unable to stop posting all of their food photos to Instagram.
- Not needing anything else as long as they have their phone.