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Lisa Marie Nowak: former American naval flight officer and NASA astronaut.
She gained international attention on February 5, 2007, when she was arrested in Orlando, Florida, and subsequently charged with the attempted kidnapping of U.S. Air Force Captain Colleen Shipman, who was romantically involved with astronaut William Oefelein.
Being in a spaceship too long can hurt astronauts' mental health.
For potential space travelers it's a big issue if they are to mentally survive a long spell spent on the International Space Station or even, in the foreseeable future, a two year flight to Mars.
It's good to talk.