Birth Control After 50

Q: What's the best form of birth control after 50?
A: Nudity

Grandma's Condition

Q: What's that wrinkly thing on Grandma?
A: Grandpa.

Old Math Professor

A college math professor and his wife are both 60 years old. One evening the wife comes home and finds a note from her husband. It says: "My dear, now that you are 60 years old, there are some things you no longer do for me. I am at the Holiday Inn with my 20-year-old student. Don't bother waiting up for me." He returns home late that night to find a note from his wife: "You, my dear, are also 60 years old and there are also things I need that you're not giving me. So, I am at the Motel 6 with one of your 20-year-old students. Being a math professor, I'm sure you know that 20 goes into 60 way more than 60 goes into 20. So, don't YOU wait up for ME."