Edward kept busy in programs planned for children his age and the grown-ups made friends and talked their usual boring grown-up talk.

The phrase “their usual boring grown-up talk” shows that Edward finds conversations with adults uninteresting. This supports the idea that it is difficult for him to have an interesting conversation with adults. The passage does not compare how easily adults and children make friends or how much they enjoy being on a ship.

AI-written and checked against the verified answer.