Why do some men want to have anal sex with women?

Read also:

• Nearly complete dinosaur skull reveals a new sauropod species from East Asia - Phys.org
• US oil output set for first annual drop since pandemic - Financial Times
• New study predicts when the universe will end, scientists claim it is sooner than expected - Earth.com
• Former ‘Grey’s Anatomy’ star breaks down in tears over ALS diagnosis - PennLive.com
• Marijuana Use Among Older Adults Climbs to New High - AARP
• What is an appropriate response to someone saying "merci" in French?
• Iconic ‘90s Actress, 52, Flaunts Figure in Black Swimsuit While Yachting - parade.com
• Scientists find 34-million-year-old snake that changes our understanding of evolution - Earth.com
• Is there a band whose members have been present for every one of their concerts?
• Powerful solar flare erupts from sun triggering radio blackouts across North America (video) - Space