What's the best reading for heartache?

For Coldplay’s Chris Martin, ancient Sufi poetry and a spot of Victor Frankl are the bookish balms of choice. What are yours?

“Your missus has left you and you don’t know where to turn, do you go down the pub with your mates or do you read 13th-century Persian poetry?” was the Mirror’s unexpectedly literary rhetorical question this week.

Why, Persian poetry of course, if you’re Chris Martin. Newly separated from Gwyneth Paltrow, as the paper reported, he cited Rumi’s poem The Guesthouse as the antidote to being “down and confused”.