Making friends is the act of earning yourself importance in the eyes of more people. Friendship is a nice name of the ugly game. This is the reason you are never satisfied with the number of friends you have. (Proof: You are always ready for making new friends)
From Is friendshi...
When it's the matter of trust, even that lie which is told for good is an offense... And also the act of hiding a thing, even though not a lie, is still a sin. Trust rides on TRUTH alone