Robert asks Chrissie's sister, Rebecca White (Emily Head) to come to the village to help him with his vendetta against Chrissie. She sends a DNA test off to prove Lawrence is not Chrissie's biological father. When the topic of marriage comes up Aaron is embarrassed when Robert jokingly dismisses the idea. After rejecting Rebecca's advances Robert confides in Victoria that he is going to propose to Aaron. Robert asks Paddy for his blessing to marry Aaron, but Paddy tells him that he's not good enough for Aaron. Rebecca meets Robert at the scrap yard to apologise for making advances towards him. Lachlan overhears their conversation and threatens to make false sexual abuse allegations against Robert. Aaron suddenly appears and shoves Lachlan's head into a barrel of water before warning him to stay away from Robert. Robert arranges to meet Aaron at a barn so he can propose. Aaron reveals he has Lachlan tied up in the boot of his car and Robert reprimands Aaron for his actions. Lachlan escapes and they are forced to give chase and stop him from falling off a cliff. Lachlan tells Aaron that Robert is sleeping with Rebecca. With Lachlan back in the boot, Robert admits to Aaron that he is bisexual and did have an affair with Rebecca before getting serious with Chrissie. Robert tells Aaron that when he was 15 he had a feelings for a male farmhand. Jack caught them together and beat Robert. They never spoke of it again and Robert admits to feeling like a disappointment to his father. Aaron tells Robert that he loves him and Robert decides to propose but realises he has left the ring in the car. While driving back to the village Aaron tells Robert that he doesn't think he will be enough for him after romancing Chrissie and Rebecca, then him. Robert angrily reveals that he was going to ask Aaron to marry him. Aaron takes his eyes off the road Robert yells for him to watch out and they crash into lake after Emma Barton pushing her husband James Barton off which he lands on Ashley's car and causing a huge car crash involving Ashley, Pierce Harris, Rhona and Paddy.