Maybe it's the phase of the moon? Or maybe they are just sick and tired of winter?

Pepper went on a rampage this morning and flayed my palm and wrist open.
Willow went after Cammie, Willy and Pepper today.
Cammie hissed back. Willy just looked hurt. Pepper smacked the crap out of Willow who then backed down.

Like Winnie, ours are back to their sweet selves.