“It’s like watching heartbreak and your heart breaks a little bit every time.”
Kate and Derek married in 2005 and share two children together – Billy, 12, and Darcey, 16.
Prior to Derek’s Covid diagnosis, he was a former lobbyist, political adviser and also worked as a psychotherapist.
He is also the author of two books, Blair’s 100 Days and Life Support.
The May issue of Good Housekeeping is on sale from 29th June