Especially for the older ones among us, it is simply a better way of estimating the value. Some people also do it out of habit. So I don’t think that Germans really want to have the D-mark back.
I’ve heard that more than 80% of the German population have a very positive view of the euro…  On that note, the latest survey conducted by the EU Commission indicates that the German people’s acceptance of the euro is on the decline. Has a slide set in?