But from time to time I was astonished by the fact that occasionally I forgot momentarily that F.

Was dead.

Once, while immersed in reading, I found a new theory which would have interested him, and was astonished to find that I had begun to write a postcard to him, to call his attention to the fact.

My belief is that I had persistently repressed the memory of his death.

There was no possible outlet for my sorrow at the time when this painful news reached me, and, later, the feeling of others that little good would be done by talking to me about my late friend closed all possibility of effective reaction to the sorrow.