Advice

HELP!!!!!!! OK HERE IT GOES WELL A FRIEND OF MIND DID SOMETHING WRONG. SHE LIED TO HER BOYFRIEND AND TOLD HER BOYFRIEND THAT SHE HAS SPOKEN TO HER EX BUT THE THING IS HE SENT HER THE PROOF AND SHE STILL LIED WELL NOW HE TOLD HER THAT HE DOESN’T TRUST HER EVEN THOUGH THE TEXT MSGS PROVE THAT IT WAS A INNOCENT CONVO BUT HE SAID ITS NOT THE POINT OF THE CONVO ITS BECAUSE SHE LIED ABOUT IT SO HE TOLD HER THAT SHE NEEDS TO DO ANYTHING N EVERYTHING TO PROVE TO HIM THAT SHE IS SORRY AND THAT SHE WILL BE HONEST FROM NOW ON SO THE QUESTION IS WHAT CAN SHE DO TO SHOW THAT SHE LOVE HIM AND GAIN HIS TRUST BACK