Subscribe | UPI Odd Newsletter Subscribe BOULDER, Colo., Feb. 25 (UPI) -- Police said a University of Colorado student allegedly attacked the genitals of her ex-boyfriend after the pair broke up 20 times in one year. University of Colorado police officers said Chalie Simon, 19, went to the on-campus apartment of her ex-boyfriend in the early hours Saturday and threw rocks at his window until he invited her inside, the Boulder (Colo.) Daily Camera reported Wednesday. Advertisement Cmdr. Tim McGraw said once inside the apartment Simon became angry and tried to enter her ex's bedroom. However, when the man blocked her and tried to make her leave the apartment, Simon allegedly grabbed his genitals and "squeezed hard," McGraw said. Officers arrested Simon outside of the building and she was charged with third-degree assault, domestic violence and first-degree criminal trespass. The man told police he and Simon first started dating about a year before the incident and had since ended their relationship about 20 times.