article_snippet.sent: It is Doon who has taught me to stride like a warrior into the freezing Channel.
article_snippet.sent: Keen to revive we weary bones, Doon asked if it was safe to swim. 
article_snippet.sent: Doon questioned, expecting to be told of danger. '
article_snippet.sent: Clearly he doesn't know Doon.
article_snippet.sent: Doon has been part of a team swimming the Channel in extreme conditions and also took part in the World Ice Swimming Championships in Finland
article_snippet.sent: ('you can feel your body slowing down as hypothermia begins to set in', Doon boasts).
article_snippet.sent: Doon is made of stern stuff.