Are you an Old Geezer? This test was developed by an Aging Research department at Harvard University. Take your time and see if you can read each line aloud without a mistake. The average person over 40 years of age can't do it! 1. This is this cat 2. This is is cat 3. This is how cat 4. This is to cat 5. This is keep cat 6. This is an cat 7. This is old cat 8. This is fart cat 9. This is busy cat 10. This is for cat 11. This is forty cat 12. This is seconds cat Now go back and read aloud the third word in each line from the top down I bet you can't resist passing it on.