But what will Billy make of Paul's difficult request?
While waiting for his appointment at the MND clinic, Paul finds himself sitting next to Shelly from the support group and is impressed by her positive attitude as Shelly urges Paul to take control and if there’s something he’s always dreamt of doing, then do it now.
After telling Billy how Shelly’s helped him to see things more clearly, Paul says he has something important to ask him.
As Billy excitedly tells Summer he’s expecting a marriage proposal, Paul steals himself before telling Billy that when the time comes, he’d like him to help him end his life. How will Billy react?
As Summer lists possible wedding venues, Paul wishes they could have a church wedding for Billy’s sake and Billy assures him that marrying him is all that matters.
When Paul introduces Shelly and her PA, Cags, to Billy and Bernie, Bernie is shaken by her advanced condition.
Coronation Street continues Mondays, Wednesdays and Fridays at 8pm on ITV1