Two year olds are utterly insane

Fletcher is particularly insane these days.  I kind of hate to say it, but until very recently Fletcher has been 'the easy one'.  She was always chipper and cheerful and generally good natured.  Gryphon, on the other hand, has been the more 'difficult child', if one had to put a name on it.  But over the last six weeks or so, the roles have completely reversed!  I'm not sure what triggered it, but suffice to say that Gryphon is now pretty responsive, helpful, adorable and happy, while Fletcher screams bloody murder if I choose the wrong shoes for her, throws a screaming fit if I ask that she accompany me from point A to point B and she doesn't particularly want to at that moment, and at completely inopportune moments looks at me over her shoulder with a cheeky grin and sprints away.
So, as I said, she is insane.  And when she's not getting enough attention, she gets certifiable, albeit sometimes in a terribly adorable way.  Tonight, as Gryphon was finishing her dinner, Fletcher was running around being, well, just goofy.  But Gryphon and I were chatting about her day at school, so nobody was paying attention to Fletcher's goofiness.  So of course, she felt the need to ratchet it up a notch.
So she ran full tilt from the living room to the dining room, with her eyes squeezed shut.  Inevitably, she ran full tilt straight into the wall.  
She screamed bloody murder of course.  And it was all I could do not to laugh.  I picked her up and cuddled her, calming her down after about five minutes of hugs and attention.  I explained to Gryphon that this was an object lesson - Do Not Run With Your Eyes Closed.  Period.  She asked "Did Fletcher really run into the wall because her eyes were closed?" 
"Why yes", I said.
Gryphon looked at me a moment, and with a slight grin, said, "Mommy, I saw you smiling."