But c'mon, a plushie integral? That is so awesome :D
and it gives a whole new meaning to taking an integral he-he-he.
Also I've been laughing at jokes that are not even really funny lately, even M. looks at me funny for laughing at them. I think it must be a sign of stress, or excess junk-food consumption. Although those two are closely related anyway.
picture stolen from a maths blog here.