She became so important to them that they wondered how they had ever managed without her in the past. And the longer she stayed with them the more indispensable she became, so indispensable in fact that their one fear was that she might some day move on.
Exactness and neatness in moderation is a virtue, but carried to extremes narrows the mind.
I mean being a writer is like being a psychoanalyst, but you don't get any patients.