Pillows.....how does this happen?

So, I have 2 queen beds, 1 double and a twin.  Why do I have 17 pillows?  I need 7 for the beds and in a tight squeeze 1 for each of the couches so 5 more,  for a grand total of of 12 pillows.  Pillows take up a lot of closet space!  Any suggestions??