Discuss in pairs when and why you need friends.
Use:

Discuss in pairs when and why you need friends.
Use:
when you are happy
when you are stressed
when you are tired
when you have problems with your parents
when you are betrayed by somebody
when you need somebodys support
to share your interests
to enjoy life
to feel lonely
to help someone
to take care of someone
to learn new things
to rely on them
to quarrel with them
to speak about life
to have fun
to listen to music
to do sports
to ask for advice
to get support from them