Her husband's constant infidelity.
Hera is jealous in the majority of the myths she appears in because Zeus is always cheating on her. In the myth of Hercules, for example, Hera is jealous because Zeus cheated on her with Alcmene.
Hera.
Jealous
No, but Hera is jealous of Aphrodite's beauty.
Hera was jealous of anyone who caught Zeus's eye.
Hera.
Hera
hera was the goddess of marriage she was also considered a VERY jealous god
Hera
Hera, wife of Zeus, was the goddess who had a good reason to be jealous
Hercules. Also it wasnt Zeus, it was just Hera because she was jealous that Zeus had another child with a mortal
she was jealous because zues had affairs with other women even though he was married to hera. Or, to be more specific, Hera was the goddess of marriage. So, naturally, she never had affairs with any other men. However, her husband, Zeus, had many affairs with other women, and had children with them. That's why Hera was known as a jealous goddess.