NASHVILLE, Tenn. (WSMV) - He was supposed to stop using.

Rachel, who asked that he not use her last name, found a canister of nitrous oxide that her fiancé, John, had hidden from her at their home in Nashville.

“I walked out for a couple of days,” Rachel said. “There’s a lack of trust because he knew that I didn’t like it, that I didn’t want it in our relationship.”

It was yet another low point for John, who also asked us not to reveal his last name. He first started using nitrous in college. That, in addition to an addiction to painkillers, sent him to rehab in 2015.

But he later started using again, craving the sensation of becoming numb. Because the hits from nitrous are quick, he said he kept craving repeated highs.

“I tried it out and it snowballed pretty quickly,” John said. “I’

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