蜜芽传媒

Ahead of gastric band surgery, Gavin describes how being overweight means he hasn鈥檛 left the flat for four years.

Gavin texted 5 live Afternoon Edition during a discussion on obesity and over two years the programme has followed his story as he gets ready for surgery.

Before the surgery he describes how, on his own, he is only able to go just outside his front door.