A husband wrote the following letter for his wife and left it on the :

“To My ,

You will surely understand that I have certain needs that you, being 54 years old, can no longer satisfy. I am very happy with you &; I value you as a . Therefore, after reading this letter, I hope that you will not wrongly interpret the fact that I will be spending the evening with my 18 year at the . Please don’t be upset – I shall be home before midnight.”

When the man came home late that night, he found the following letter on the dining room table:

“My Dear Husband,

I received your letter and thank you for your about my being 54 years old. I would like to take this opportunity to remind you that you are also 54 years old. As you know, I am a at our . I would like to inform you that while you read this, I will be at the with Michael, one of my students, who is also on the . He is young, virile, and like your secretary, is old. As a who has an excellent of Math, you will understand although it may appear that we are in the same situation, there is one mathematical difference: 18 goes into 54 a more times than 54 goes into 18. Therefore, I will not be home until sometime tomorrow.”

-Dan