Question

Why does john want the ghost to disappear before his wife appear on the screen?

Answer 1

BECAUSE HE THOUGHT THAT HIS WIFE WILL BE AFRAID OF THAT GHOST AND HE THOUGHT THE PRESENCE OF THE GHOST CAN CREATE A MISUNDERSTANDING IN HIS MARRIED LIFE SO THAT'S WHY HE WANT THAT THE GHOST HAVE TO DISAPPEAR BEFORE HIS WIFE CAME