If you're asking if they ever kissed or shared a bed or a blanket, the answer's no.
On the other hand, precious few friends would provide a way to cheat death, to deceive the multitude of Time Lord senses, and to sidestep time for those crucial few seconds. Particularly for the Master of Earth and the Master's wife.
Suzie did all of that for Lucy.
requests: Suzie/Master (any), Suzie/Owen, Owen/Rani, Suzie/Seventh Doctor
Lucy Saxon & Suzie Costello
On the other hand, precious few friends would provide a way to cheat death, to deceive the multitude of Time Lord senses, and to sidestep time for those crucial few seconds. Particularly for the Master of Earth and the Master's wife.
Suzie did all of that for Lucy.
requests: Suzie/Master (any), Suzie/Owen, Owen/Rani, Suzie/Seventh Doctor