Now he has an easy excuse to buy model trains :-) *Lunatic*, n. One whose delusions are out of fashion.
...and in the name of gender equality, why not give the girl one, too?
Especially considering that one of the preserved German crocodiles, 194 158, belongs to one Frau Barbara Pirch, who is also a locomotive driver! *Lunatic*, n. One whose delusions are out of fashion.