He happily gives up whole days to drive from his family home in Burton, Staffordshire, to wherever he is needed.

On arrival, Clive parks in a nearby street before climbing into the back of his van.

There he fills a syringe with his product before clambering out and ringing on the recipient’s doorbell.

A tip, he says, is to keep the donation in the crock of your arm so as to keep it warm.