Earthworm sex is quite romantic (video)

Earthworm sex involves some very close cuddling. The couple slithers up right against one another but facing opposite directions. They align their citella—the thick ring containing their reproductive bits—and secrete slime to envelop each other. Then they get it on. From KQED Deep Look:

The earthworms embrace by using flaps on their clitella, and exchange sperm that travels outside their bodies. — Read the rest