The problem with life is that it's too linear. It never doubles back

At the book festival in Edinburgh last week, a reader of this column - I do have some - came up and told me, very kindly, that I look slimmer in real life than I do in the picture below.

http://www.heraldscotland.com/comment/columnists/the-problem-with-life-is-that-its-too-linear-it-never-doubles-back.21981957