Entertainment: a way of avoiding boredom.
Boredom: when you don't want to think about life and can't find entertainment.
Loneliness: what people who are attached to the company of others call boredom.
Depression: when you are forced to think about life, and don't like what you see.
The Strength of Attachment
So, you wish to know the strength of your attachment for a particular thing? Look no further than your need for it, because need is attachment.
If you wish to know the character a person, then look where their love alights: no one can hide.