Apenas me despierto, a las 5:00 a. m., cuando voy a hacer deporte. Es lo primero que cojo cuando me despierto. No es la mejor práctica, pero sí desde tempranito.

You know, down the hall and up the stairs from this office is the part of the White House where the President and his family live. There are a few favorite windows I have up there that I like to stand and look out of early in the morning. The view is over the grounds here to the Washington Monument, and then the Mall and the Jefferson Memorial. But on mornings when the humidity is low, you can see past the Jefferson to the river, the Potomac, and the Virginia shore. Someone said that's the view Lincoln had when he saw the smoke rising from the Battle of Bull Run. I see more prosaic things: the grass on the banks, the morning traffic as people make their way to work, now and then a sailboat on the river.

I'm not up at 6 am. I start listening to the incoming news at 6 am. I'm not up until 7. By then I've heard the agricultural news, the news and financial news and listening to radio. Lying in bed relaxing. Quite busy after one has got up. There's quite a lot to put away from the night before, last night's papers to finish off, getting up and seeing what I have for the day. And just getting my thoughts in order for the day. I have very little breakfast. It tends to be a rather busy time because there's a rather lot going on.

When I was 17, I read a quote that went something like: “If you live each day as if it was your last, someday you'll most certainly be right.” It made an impression on me, and since then, for the past 33 years, I have looked in the mirror every morning and asked myself: “If today were the last day of my life, would I want to do what I am about to do today?” And whenever the answer has been “No” for too many days in a row, I know I need to change something.

I don't think I could go for another three years. I'm leaving it at the right time, I love it, I've absolutely had a wonderful competition and I've loved every minute of it.

When I was in Beijing, London, and also in Rio I was still a kid really, I didn't feel pressure. Now I'm a 26 year old woman. Being a lot older I feel those expectations. And it's definitely hard on my shoulders, to the extent where in training I'm ok but in competitions I panic, and I do stupid things. Working with [my psychologist], at these Games one of the things I'm proud of is I didn't have any panics. I was so happy about that - I went out and raced and enjoyed it.