The only place for you to put the Grief to is back in Hildegard's Seed -you suppose you could make a giant Grief monolith and leave it here, but that's probably a bad idea- so you dig the Seed out of your pocket and hold it up, moving a few spheres out of the way so that the light catches the Seed.
Yep. Still a mostly clear, spherical shape with a pinprick dot of darkness in the centre. You shrug, and begin pouring the Grief back in - it goes in much more readily than it came out, the Seed vacuuming it in almost as fast as you can disincorporate your spheres.