Yes, according to Roman mythology, Mars and Venus had a love affair.
While Roman mythology is a complex tapestry of stories, the relationship between Mars (the god of war) and Venus (the goddess of love) is a prominent one. The reference text directly states, "Venus, the wife of Vulcan, falls in love with Mars, the god of war." This indicates an affair, as Venus was married to Vulcan. Their relationship, often characterized as a passionate affair, is a recurring theme in art and literature.
Therefore, based on the provided reference and general understanding of Roman mythology, the answer is yes, Mars and Venus were romantically involved, although it was a clandestine affair.
