So Cassie had to come over again for some puppy sitting. This time, Lucy is taking her in hand. Lucy doesn’t enjoy being bitten by the sharp little needly puppy teeth. She’s also figured out she is BIGGER than little Casssady, so she’s insisting that she gets to be in charge.

Cassie’s just a puppy, though, so she takes reminding, as we see here in their barking contest: