Compared with His 70-Year-Old Grandfather, 25-Year-Old Gilbert Is More Likely

Multiple Choice

Compared with his 70-year-old grandfather, 25-year-old Gilbert is more likely to experience which of the following situations?

A) Gilbert will have an extended resolution phase.
B) Gilbert will have a significantly higher sperm count.
C) Gilbert will take a little longer to achieve an erection.
D) Gilbert will feel less need to ejaculate.