The structure may have become dangerously top-heavy and unstable, but it was unbelievable that all that the marriage represented might now be swept away in a flush of passion. The fact that Elaine had an able-bodied husband and a family of her own was beyond the scope of my comprehension: that was a matter for her conscience in which I could not become involved.
— Travelling to Infinity (Jane Hawking), Loc. 6774–6