Caitlyn went to Jack's side knowing he just got over a particularly bad sickness and softly kisses him on his cheek. "You feelin' alright?" She asks worriedly wanting to be sure that he would be alright, not wanting him to have negative after effects.
Rose knew that The Doctor would protect them to the best of his abilities, and knew he would sacrifice himself to do so. "I trust you Doctor." Rose said meaning every word looking at him as she had when she said for him to send a missile their way on 10 Downing Street.