I read on JackinWorld about a 75-year-old guy who still masturbates. Does he still produce sperm?
Men's sperm counts do tend to go down with age, but there's no point at which a man becomes completely infertile, as is the case with women. The 75-year-old you read about probably still produces plenty of active sperm. You may have heard that actor Tony Randall became a father not too long ago, and he's in his 70s. May we all enjoy sexuality for that many years!