she had known the man , and , from what he had overheard of her eonversation with stockstill ( a risky act , these days , overhearing , but he could not resist it ) she had sent bluthgeld to the psychiatrist for treatment which bore out one of his own very deeply held convictions : that doctor bruno bluthgeld had been mentally disturbed during his last few years before the emergency -- had been palpably , dangerously insane , both in his private life and , what was more important , in his public life .