Go take your tall ass and dumb wooden shoes and go get high or something, unless you already are, which would make sense. The Belgians already beat the dutch once and the dutch navy is hundreds of years gone. Besides, the rivers wouldn't really stop a modern army in it's tracks, it would likely just continue forward as if nothing had happened. The only advantage the dutch have is that they can use their giraffe abilities to step over the rivers without using a bridge anyway
According to the annual Global Firepower review, the Netherlands is ranked 40th globally for their military, and Belgium is ranked 70th for theirs. The Dutch also have advantages in practically everything else.