Not one to piss on Belgium as I love the place, but I had a little holiday a few years back and rode from Brussels - Gent - Oostende and back over 5 days. Had I been in Belgium at the same time again, I'd spend a day on a train getting down to the south of france / north of italy and ride something else.
He's already done two weeks in the Dolomites and 5 weeks in the Swiss/French/Italian Alps a few years ago. This time, he wants Belgium, not least because of the WWI battlefields and war memorials.
Not one to piss on Belgium as I love the place, but I had a little holiday a few years back and rode from Brussels - Gent - Oostende and back over 5 days. Had I been in Belgium at the same time again, I'd spend a day on a train getting down to the south of france / north of italy and ride something else.