Love and Lust

12.11.122:45 PM ET

Ask Christopher Ryan Anything

Readers ask the author of 'Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships' why humans have more sex than animals, how agriculture changed sex, and where jealousy comes from.
Readers ask the author of 'Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships' why humans have more sex than animals, how agriculture changed sex, and where jealousy comes from.

A reader asks Christopher Ryan: Why are women usually louder than men during sex?

Readers ask the author of 'Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships' why humans have more sex than animals, how agriculture changed sex, and where jealousy comes from.

A reader asks Christopher Ryan: Why is gangbang porn so much more popular among straight men than porn showing many women with one man?

Readers ask the author of 'Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships' why humans have more sex than animals, how agriculture changed sex, and where jealousy comes from.

A reader asks Christopher Ryan: What was the most surprising discovery you made while researching your book?

Readers ask the author of 'Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships' why humans have more sex than animals, how agriculture changed sex, and where jealousy comes from.

A reader asks Christopher Ryan: What is the most unorthodox culture featured in your book?

Readers ask the author of 'Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships' why humans have more sex than animals, how agriculture changed sex, and where jealousy comes from.

A reader asks Christopher Ryan: Where does jealousy come from?

Readers ask the author of 'Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships' why humans have more sex than animals, how agriculture changed sex, and where jealousy comes from.

A reader asks Christopher Ryan: How did sexual behavior change over human history?

Readers ask the author of 'Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships' why humans have more sex than animals, how agriculture changed sex, and where jealousy comes from.

A reader asks Christopher Ryan: Why do humans have so much more sex than animals? And why are so many marriages sexless?