And what do husbands do to wives on their wedding night?
What do they do with their wives um cough cough cough now and again??
Juno was no virgin when she conceived Mars.
Sources:
Ovid, "Fasti", 5.229
theoi.com/Text/OvidFasti…
"The Ultimate Encyclopedia of Mythology" by Arthur Cotterell and Rachel Storm, page 62
"The Penguin Dictionary of Classical Mythology" by Pierre Grimal, page 155.