John Aiken is a relationship and dating expert featured on Nine's hit show Married At First Sight. He is a best-selling author, regularly appears on radio and in magazines, and runs exclusive couples retreats. Every month, John joins 9Honey exclusively to answer your questions on love and relationships*. If you have a question for John, email:dearjohn@nine.com.au. READ MORE: 'My kids don't want to come to my wedding' Dear John, My best friend has completely betrayed me but I am feeling conflicted.