Richard is trying to regain fitness because , as he explains , its the only thing in his life he can control.
It is ,however, a long journey & therefore requires a soundtrack .
This is discussed in some detail.
It leads us naturally to a conversation about TV themes & Andrew mourns the lost genre of the explanatory theme.
Under the theme of recovery, Richard asks "Would a bit of steroid use be so bad ? "
Two uninformed middle-aged men then discuss , you will not be any better informed at the end of it all .