He was the first on every service, whether by day or night.

There was not a gun fired but was pointed by him, or by Captain Despard, Chief Engineer." Dalling, after some delay, wrote in the same sense to the Minister of War in London, warmly recommending Nelson to the notice of the home Government.
While the siege was in progress, Nelson received word of his appointment to a better ship, the "Janus," of forty-four guns, and it became necessary for him to join her.

He left Fort San Juan only the day before it surrendered, and returned to Jamaica; but his health now gave way wholly, and his command of the "Janus," for the most part merely nominal, soon came to an end altogether.

Dalling had truly said, "Captain Nelson's constitution is rather too delicate for service in this northern ocean."[5] Before starting on the expedition, he had himself written to his friend Locker: "If my health is not much better than it is at present, I shall certainly come home after this trip, as all the doctors are against my staying so long in this country.

You know my old complaint in my breast: it is turned out to be the gout got there.