These people can be of any age, ethnicity or gender. They always put someone else's needs and welfare before their own, often without recognition or praise. Many have little chance to socialise, which can lead to isolation; and they have an overwhelming sense of responsibility. Who am I talking about? The UK's 'hidden workforce' of unpaid carers.
'Northern Flight' has seldom left my mind since it finished. It provides an emotive exploration of the issues that lie at the heart of the city's identity. Patrick's words to me at the end of our interview have filled my thoughts and followed me through the streets of this beautiful city: "Liverpool is a city that tells you that you can do something, rather than that you can't."