Update: The insect input for romance, Shellac:
is an insect-produced product that may be part of your Valentine’s candy (and many other things).More is explained by bug girl for Skepchick.
Update II: For the Guardian Jason Goldman gives us:
seven tips from science that just may help you find a date on Valentine's Day. You've heard of evidence-based medicine? This is evidence-based dating.And Pharyngula introduces some loving hedgehogs.