Message read. But what kind of weirdo keeps read receipts on?

Read receipts - those signifiers that a message has been opened and read - fill me with terror, but plenty of people keep them on. Why?

There was a time when the main thing you had to worry about in casual social situations was the decision between a peck-on-the-cheek, a handshake, or a hug upon greeting.

Meanwhile, relationships have always been fraught with double meanings and crossed wires. Flowers - a spontaneous, fresh-scented display of thoughtfulness? Or a floral attempt to make amends, reeking of guilt?