Painted nails

"The click of your typing is drilling into my head," Enid sneered from her place on her bed. The blond whipped around, sending a pissed glare at the short haired brunette who seemed to be carving something into a block on wood (on her sheets!) as she spoke.

"And your three am piano solos make me want to rip your fingers off, but we don't all get what we want."

or

Wednesday and Enid are polar opposites, except Enid is the dark one, and Wednesday is the sun.