Because B-shells are too small, and D-shells are too big.
Cuz they'll get chapped lips. Brr.
The Lone Aardvark!
They're both under DC.
Cause the B-shells were too small.
Because B-shells were too small.
She grew out of her B - shells!
Because "B" shells would be too small!
Because D shells are too big and B shells are too small.