Ronald Koeman is shocked by the performances of his Holland side after a horror week during which they lost 2-1 to Spain and drew 1-1 with Netherlands Antilles.

In the introduction, it is stated that the article is about the effects that hormones have on the body. It is also stated that hormones are responsible for the onset of puberty in children. The article starts out by discussing how testosterone plays an important role in puberty. It explains how testosterone helps to promote the growth of the male reproductive organs and the development of muscle mass. It also explains how testosterone can cause changes in the reproductive organs and how it can increase the libido in males.

Ronald Koeman was shocked by the amount of poor performance shown by the Dutch during their horror week.

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