[His question gets a big smile from her. She reaches for her cup of tea, pulling it towards her and reaching for some sugar.]

Traveling to all sorts of planets and dimensions and times. After that I worked with a place called Torchwood for a bit 'fore I transferred to takin' charge of a military unit researching multi-dimensional travel.

[She had a key to the box they couldn't get open. It gave her a bargaining chip]