There are different ways of achieving what you want.
*warbles charming begging song*
*wide-eyed, innocent, pweeeeeaaaase face*
*cuddles and kisses human*
*shows human what he wants, if he wants us to follow he'll run back and forth, looking back over his shoulders, if he wants us to open a door or turn on the tap, he'll touch the door handle/faucet*
*when he gets his way, he'll reward the human sucker by gently stroking the sucker's face*
You feel pretty darned good about yourself and Murphy after doing him a favour. ;)
*Sinks claws into human*
*PAY ATTENTION! I WANT! WANTWANTWANTWANTWANT!*
This usually ends with Orlando being put to bed.
You feel pretty good about yourself after putting up with that load of pestering - if only because you didn't strangle the damn cat.