A man less easily bored, less fond of games, more inclined to let his libido lead the way - a man like that would be easily swayed into changing his plans.

Jim is not a man like that. This may well be the first (only) time any Holmes has been fortunate to be at Moriarty's mercy.

(For now.)

He makes a surprised, pleased little sound in the back of his throat, letting Sherlock's movement nudge him onto his back, and winds his free arm around Sherlock.