Unexpectedness

He dislikes unexpectedness and emergencies of any kind.

Source: tatoeba (847177)

For one of the chief accounts, upon which Wit it self is delightful, is, in very many cases, the unexpectedness of the things that please us; that unexpectedness being the highest Degree of Novelty, which, as I freshly noted, does exceedingly gratifie most Men’s minds.

Source: wiktionary

[…] all in an instant, without having before given me the least reason to suspect any thing of the matter, he forced me into the barge; saying, I was going to leave him, but he would take care I should not. I was so struck with the unexpectedness of this proceeding, that for some time I did not make a reply […]

Source: wiktionary

[…] he perceived a new attraction in the idea of taking to himself a young lady who had qualified herself to figure in his collection of choice objects by rejecting the splendid offer of a British aristocrat. Gilbert Osmond had a high appreciation of the British aristocracy—he had never forgiven Providence for not making him an English duke—and could measure the unexpectedness of this conduct.

Source: wiktionary