A MAN who admitted assaulting his on again, off again girlfriend by intimidation has been warned "it must never happen again".

The Mildura Magistrates' Court was told the 23-year-old man and 20-year-old victim had known each other since October last year and were in an "on and off" intimate relationship.

About 7pm on June 22 this year, the victim attended at a caravan park where the man had been...