Well, if there’s something good about the closure of the Central Line, which looks like it may stay shut for some time to come, it’s the fact I’m getting to know the streets north of Oxford Street far better than I ever have done.

Every night I walk from the office to Euston Square by a different route and the map in my mind is starting to connect. Just three or four weeks ago I could get hopelessly lost north of Soho - especially north west - but now it’s almost like second nature.

It also means I’m doing double exercise, as I’m gyming every night after my walk. I’m concentrating on my swimming, and over the last two weeks have increased my lengths by 50% while keeping my swim time the same, which I guess must mean I’m swimming 50% faster.

Bizarrely, it’s zapping my appetite when I thought it would make me ravenous, but I guess not being hungry can’t be a bad thing. Next time I’m near some scales, I’ll weigh myself, but as I was already several kilos underweight I’m not overly worried what it might reveal.

Beyond that, a frustrating day. Long meeting from eleven until well after lunch, then repetitive and unproductive phone calls most of the afternoon. I was quite glad when six came around and it was time to run home.

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