"We'll work with any party to do the right thing. We won't form a coalition, but we'll work with all the parties," he said.
Mr Culley, a retired mineworker, says David "lets you know if he doesn't like something"."He tells you he's not doing it," the 72-year-old added.
His 68-year-old wife said David had enriched their lives."If David wasn't here we probably wouldn't get up as early," she said."We get up to take him to his day centre. It's day-to-day things. We think - we'll take David here or we're going to do that.
"We make an effort to do things".Derbyshire County Council runs the Shared Lives scheme, with carers provided with training and support, and paid depending on the type of support they offer
Earlier in his life David lived with his parents Janet and Ray, but his father found it increasingly hard to care for his son after Janet died.
The Culleys initially offered short-term respite care for David but Mrs Culley says he is now a firm part of their family.and to his offspring for ever.
Glory be to the Father and to the Son andas it was in the beginning, is now, and
ever shall be, world without end. Amen.Former Wales rugby captain Ken Owens is considering standing for Labour at next year's Senedd election, BBC Wales has been told.