A newly published collection of essays from Sunday Miscellany, the RTÉ Radio One programme, includes contributions from Irish writers including Dermot Bolger, Rita Ann Higgins and Marina Carr, with reflections on life that range from the political to the personal. In this moving essay, entitled Goodbye Furball, Niall McArdle describes how a kitten called Darcy bulldozed his way into his life – and slowly won a place in his heart