On Bold Type there is an interesting interview with Ian McEwan in which he discusses his novel Enduring Love. Here is a little:
A recurring theme in your work seems to be that of ordinary lives that are rocked by the unthinkable. What inspires you to place your characters in these situations?
Moments of crisis or danger represent a means of exploring characters–the strengths and defects of personality-while at the same time offering a degree of narrative interest: it’s a matter of having your cake and eating it.