Main reasons could be due to insecurity. Depression and/or anxiety is also a possibility as well. A way to help them and discourage the habit is to simply talk to them; Find out what's going on in their life or what they're going through.
It also could be ADHD - hyperactivity & short attention span - which also leads to many problems.
Hope this helps!
"March 15, 2001 was the day this green toad laid more than 10,000 eggs."
This should be common sense. Considering this is Brainly though, the answer is A signaling indicating danger or the need for help
Idont know because I just need ehrhbrdu ahhaha s dudhbd dusbd in don’t know