Answer:
depression, quietness, loss of appetite, suicidal thoughts, low morale, school grades going down, and so on.
Mainly the signs are
1. A light look on the face like they are trying to smile but not
2. person would spend a lot of the time moping or hibernating in their room
3. Mood swings
4. people seem to be "outcasts"
5. Loss of interest, or excluding them selves from activities that interest them.
6. getting rid of all of possessions
7. statements like "no one likes me, I hate my life.... etc.....