"

He had been watching her for further signs of emotional upset. But she
seemed to be listening calmly enough. He went on.

"That's the trouble with radiation damage, Mrs. Stanton. Even when we
can save the victim's life, we cannot always save his health.

"You can see, I think, what sort of psychic disturbances this might
bring about in such a pair. The ill boy tends to identify with the well
one, and, oddly enough, the reverse is also true. If they are not
properly handled during their formative years, Mrs. Stanton, both can be
badly damaged emotionally."

"I ... I think I understand, Doctor," the young woman said. "But what
sort of thing should I look out for? What sort of things should I
avoid?"

"First off, I suggest you get a good man in psychic development," the
doctor said. "I, myself, would hesitate to prescribe. It's out of my
field. But I can say that, in general, most of your trouble will be
caused by a tendency for the pair to swing into one of two extremes.

"At one extreme, you will have mutual antagonism. This arises when the
ill child becomes jealous of the other's health, while, on the other
hand, the healthy one becomes jealous of the extra consideration that is
shown to his crippled brother.

"At the other extreme, the healthy boy may identify so closely with his
brother that he feels every slight or hurt, real or imagined, which the
ill boy is subjected to. He becomes extremely over-solicitous,
over-protective. At the same time, the invalid brother may come to
depend completely on his healthy twin.

"In both these situations there is a positive feedback that constantly
worsens the condition. It requires a great deal of careful observation
and careful application of the proper educational stimuli to keep the
situation from developing toward either extreme. You'll need expert help
if you want both boys to display the full abilities of which they are
potentially capable."

"I see," the woman said. "Could you give me the name of a good man,
Doctor?"

The doctor nodded and picked up a book on his desk. "I'll give you the
names of several. You can pick the one you like best, the one with whom
you seem to be most comfortable. Try several or all of them before you
decide. They're all good men. There are many good women in the field,
too, but in this case I think a man would be best. Of course, if one of
them thinks a woman is indicated, that's up to him. As I said, that
isn't my field."

He