But how does he do it? I've got my own idea about this Firstly, the team almost never leave him in peace: the medical checks, the questionnaires, and the surprises sprung by the control center. But what you might not know is that he is a real gourmet! This is borne out by the number of photos I've been through in which he is nibbling.

However, as you might suspect he can't eat anything he wants (Amira, who is looking after nutrition, is never far away and keeps a constant eye on him).

In collaboration with André and Bertrand, Nestlé Health Science and the Nestlé research centre have produced nutritional solutions adapted to the needs of the pilots. The food must meet the following characteristics: it must maximise the pilot's energy, not use too much energy for digestion, withstand the temperature variations (between - 20° + 35°) and be wrapped in practical compact packaging.

Here is a glimpse of his menu over 24 hours: 

The next most popular question is still what André does after these snacks Lavoisier's maxim "Nothing is lost, nothing is created, everything is transformed" answers this partially Better than words, here is a video: