A man pushed his partner to the ground and bit her cheek, the court heard.
Ihaia Hipango pleaded guilty in the Whanganui District Court on Tuesday for a charge of assault.
Police prosecutor Steven Butler told the court at 12.24am on September 18 Hipango and the victim were walking home.
The two began discussing their relationship at which point Hipango became upset.
He then pushed the victim who fell to the ground. She got up and attempted to walk away at which point Hipango pushed her to the ground a second time.