{lols how you like my appropriate gif?}

Caitlyn smiles at Jack. Glad to see that his teasing nature was once more back. "I wouldn't go there Jack. Who knows how many centuries the Doctor has known the human race? And think just how many people have influenced him, good and bad. So who knows what might go in that head of his? He just might actually think you mean to take Rose from him." She warns in a teasing way. 
"Which would never happen." Rose said with a wave of her hand. She had been of course attracted to Jack when they first met, but it was only a passing fancy. Her heart was owned exclusively to the Doctor.