Bethan Lewis Watling, 24, found her partner, Nathan Marsh, 26, at the bottom of the stairs after he took a tumble while ‘reluctantly’ vacuuming upstairs in August 2021Bethan Lewis Watling, 24, found her partner, Nathan Marsh, 26, at the bottom of the stairs after he took a tumble while ‘reluctantly’ vacuuming upstairs in August 2021