Sanity is subjective. It depends very much on where you are. I know this because I spend half my time in south London and the other half in the country.
Talking to strangers in the supermarket is fine in Surrey, for instance. In Waitrose, Cobham everyone talks to you. The check-out lady there told me her innermost doubts about the nature of existence the other day, and I had only popped in for a romaine lettuce. She scanned the lettuce in five seconds and then, totally unprompted, spent ten minutes telling me how she sometimes wondered what it was all about. If you try to engage a stranger in an existential discussion in Waitrose, Balham you risk getting yourself committed to a psychiatric ward.
All I said to the nice-looking guy standing next to me in the bread aisle yesterday, for example, was, ‘God, these blasted stupid names they give things annoy me.
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