Why do people add you as a friend if you don't know them?

how do I add people as friends on this thing?..I just signed up I'm new here

How to Add Friends On Here?? lol

how to chance the rules for people adding you as friends.. E.g when you add people sometimes it says, 'you are now my friend'...

What is a friend? like on funadvice, im kinda a "newbie" I guess you could say and how do you add people?

How can I add friends on fun advice . I dont know to add who or not to add . I mean if I add some on I he.; she didnt wanted...

how come people outta no where just keep asking random people to be there friend? like they dont realy know any thing about t...

On funadvice, how do you know if someone add you as friend?

How can you change the message to I'm now your friend to theundertaker approves friend requests ,you must wait for him to add...

im new to this web site how come I dont see you on my friends list?

How come when I try to add people as friends it doesn't work? Is there anyway to tell if I can add someone as a friend becaus...