For some reason the thought of her living alone with nine men disturbed him.

Perhaps they'd fled by some other means - this thought disturbed him.

The thought disturbed him, so he kept it to himself, for later.

The thought of being used in that way deeply disturbed her.

The thought did not disturb him - and that in itself was disturbing.

The thought disturbed him more than he wanted to admit.

The thought did not disturb him, which itself seemed odd.

Obviously, it was a mistake, yet the thought disturbed her.

That, she told herself, was the only reason the thought disturbed her.

The thought disturbed him, so he brushed it aside for now.