The BBC correspondent left hosts Kate Garraway and Richard Madeley stunned.
The Good Morning Britain presenter thought it was "lovely" that the prime minister reached out.
The Good Morning Britain presenter said it has been "wonderful" having her husband at home.
The Good Morning Britain presenter's husband has returned home a year after being admitted to hospital with Covid-19.
Kate Garraway Describes Emotional Moment Husband Returned Home From Hospital: ‘He Immediately Burst Into Tears’
"It just feels like the start of a huge chapter - but a really big and important one.”
The former political adviser will receive 24-hour care at his family home.
The presenter told co-host Kate Garraway it was "good to be back" following his on-air clash with Piers Morgan.
"A tower of strength, courage and love."
"I have a fear of the reality of that life," the GMB presenter said about potential changes to the "dynamic" in her marriage.
He has been in hospital for a year after being admitted with coronavirus last March.