Martha had known the answer to the question, she was hoping that Jack would follow her line of thought, and she was glad to see that he had. Maybe they could get him inside the next time the Doctor was around.
"One thing I don't think anyone gets in the TARDIS is space sick," she said thinking back. "Sometimes when you GET to your destinations, and..." she trailed off glancing at Ianto, "Well there is when he tries to redirect or land," she rolled her eyes.
She took another sip from her glass and nodded in agreement, Ianto would enjoy it. She was sure of it. Even if they didn't go anywhere...