Well – I only know what I’ve read. I wouldn’t even claim to be particularly sensitive or empathetic myself...

There is as yet no conclusive scientific explanation for hyper-empathy. The American term ‘mirror-touch synesthesia’ supports a theory based on so-called mirror neurons in the brain. Another theory suggests that those affected are unable to distinguish between their own self and another person.

To be honest, I imagine it must be brutal. If you don’t learn to block out other people’s pain, life is likely to be pretty joyless.