An eighty year old man was having an annual physical. As the doctor was listening to his heart with the stethoscope, he began muttering, Oh oh !

The man asked the doctor what the problem was.



Well, said the doc, you have a serious heart murmur. Do you smoke?



No, replied the man.



Do you drink in excess?



No. replied the man.



Do you have a sex life?



Yes, I do!



Well, said the doc, Im afraid with this heart murmur, youll have to give up half your sex life.



Looking perplexed, the old man said, Which half…the LOOKING or the THINKING?