Please help me with the answer

Why is it that people at first would be nice then they shut you down? (school matter)

Which is an effective way to prevent bullying and harassment

Write a short letter to an imaginary friend. tell him or her how you feel about substance abuse. suggest at least 2 (two) alternatives that will you friend relieve the tension or anxiety he or she feels. give an example of one way the friend can get if they need to get .