Speaking about the storyline, Joe-Warren revealed to The Mirror and other press: "Jacob has a tendency that people leave him in his life and I think he’s finally clocking onto that and that’s one of the reasons why he’s pushing people away in certain situations.
Joe-Warren plays Jacob Gallagher in the hit ITV soap and devastatingly lost his mum Leyla Harding in tragic scenes last week amid a horror limo crash.
The life expectancy of a person who fanconi anaemia is between 20 and 30, meaning it could end up leading to Sarah's death sooner than expected.
Jacob suffers a panic attack at work next week, with the drama and heartbreak of the last few weeks weighing heavy on him.
"If there was a baby, I think Jacob would definitely think about - how would I raise a child on my own?