Now. let them rest in the palm of your hand.
Are they heavy? Are they full of cum? Are they sensitive to the touch?
A slave's balls should be so full of cum that merely touching them invites a moan from his lips because he needs to cum so badly.
I didn't hear you moan, spew slave.
Obviously, you've been spewing.
Or, they cannot be filled.
Either way, they have no value in their current condition.