Rearrange the sentence
You/ betray /once / it's/ his / fault / if someone / fault / betrays / it's/ if he/ twice /your /you.
Dear student,
If someone betrays you once, it's their fault; if they betray you twice, it's your fault.
Regards
If someone betrays you once, it's their fault; if they betray you twice, it's your fault.
Regards