I hardly slept. In my mind I believed that, to confront her about an affair I would need some real evidence.

The following morning, Wednesday, after Linzi had gone to work, I began looking around the house for ‘evidence’.

In the wardrobe were a couple of dresses and skirts that I hadn’t seen before – I would have noticed – they were very short! Some of her shirts and tops were a ‘bit revealing’. I was now struggling to comprehend my situation.

Her knicker-drawer was a revelation. There were g-strings galore; every colour and size imaginable, yet, I was sure that I only saw her wear black, sensible, ones. In...