Read this it is so funny!

Take your time and see if you can read each line without a mistake.The avrage person can't.
This is this cat.
This is is cat.
This is how cat.
This is to cat.
This is keep cat.
This is a cat.
This is retard cat.
This is busy cat.
This is for cat.
This is forty cat.
This is seconds cat.
Now go back and read the THIRD word in each line from the top down and i betcha you cant resist passing it on!

Thanks!