Last if the Christmas deluge: 8a, the proverb seems to be 'A Trouble Shared...', but 9d (Burt) and 5d (Seine) do not fit.
I shall be grateful for correction of my error.
Thanks, cxmrt.
Yes, this has been answered on here before. It's always worth typing a clue into the AB search box as many questions are asked and answered several times