Joshua created an AI simulation of his deceased fiancée to help him deal with his loss.When gaming enthusiast Joshua Barbeau met Jessica, he knew he had found his soulmate. But his happiness didn't last. Jessica died from a rare health condition aged just 23, leaving Joshua struggling to cope with his grief, and his life. Eight years later, in 2020, while playing around with a website that used AI to create bespoke chatbots, Joshua had an audacious idea. He decided to create a chatbot based on his beloved Jessica. It's an experience that he says helped him finally to find closure.Presenter: Mobeen Azhar Producer: Rebecca VincentGet in touch: liveslessordinary@bbc.co.uk or WhatsApp: 0044 330 678 2784