Do you care enough to make your friends some extra cash?

I was just thinking about referrals.

If I put a link up, encouraging you guys to contribute ideas to earn goodies or to buy from a site, would you add my name as a referral?

Or would you omit that step altogether?

I was wondering what drives a person to add their friend's name into the field. Is it because they are friends and so h/she wouldn't mind their friend making money out of it? Or because they can't be bothered to care who else other than the retailer gets paid?

Or how about putting it this way.

What factors contribute to you not entering a friend's name/email into the 'referral' field of a site?

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Butter chicken curry. Pure awesomeness. Should've bought two boxes instead.