Sentence:  When I wasn't risking my life [as an assassin and double agent] I was calmly relaxing, or playing guitar, or even working at a regular job. The dangerous part of my life kept me from getting bored. I still didn't have a clue of how to stop living a <WSD>double life</WSD>. I couldn't tell her about any of it either. [...] If I wasn't living a <WSD>double life</WSD> I would probably have married her that weekend. 
Meaning of the word marked with <WSD> tags:  An existence or life that has two aspects, particularly when one of them is regarded as embarrassing, immoral, or unlawful and thus kept hidden from a person's family, friends, and work colleagues.