"An attachment grew up. What is an attachment? It is the most difficult of all the human interrelationships to explain, because it is the vaguest, the most impalpable. It has all the good points of love, and none of its drawbacks. No jealousy, no quarrels, no greed to possess, no fear of losing possession, no hatred (which is very much a part of love), no surge of passion and no hangover afterward. It never reaches the heights, and it never reaches the depths. As a rule it comes on subtly. As theirs did. As a rule the two involved are not even aware of it at first. As they were not. As a rule it only becomes noticeable when it is interrupted in some way, or broken off by circumstances. As theirs was. In other words, its presence only becomes known in its absence. It is only missed after it stops. While it is still going on, little thought is given to it, because little thought needs to be. It is pleasant to meet, it is pleasant to be together. To put your shopping packages down ...