As a furious Jonathan Franzen noted while buying socks one day, you can’t go out without hearing someone yell this most intimate phrase into their mobile phone. Is this a sign of an increasing emotional incontinence, or have these words become a magic charm for a networked age?In her recent memoir The Argonauts, Maggie Nelson writes of sending her new lover, after she has first declared her love for him, a passage from Roland Barthes’s autobiography.