For the 'anything goes' weekly prompt!
Originally I had text in-mind when I drew this, but I think it works okay without it since I don't have a particular scene in-mind. It's not the most common response from her, but you done screwed-up BAD if she can start laughing at you. You either said something really stupid or have angered her very, very badly -- or both.
I'd use whatever time I had to get a headstart, but that's just me.
Lilac Ambrose -- myself