Each day you get a "bagel", someone CMB believes would be great for you to date.
You have 24 hours to say yes or no, and if both of you say yes, you’re able to chat with each other.
But in the modern world, in which the internet has become a vehicle for all manner of impropriety, she regards this kind of behaviour as perfectly acceptable.
We have encountered one another via an internet dating service established for the sole purpose of enabling married people to commit adultery.
Many of them are middle-class, many have young children.