Although a bit disappointing to learn he won't be getting any direct support from his superiors, it was expected to a certain level. This is why Darde's first instinct was to take matters into his own hands, which did appear to be the correct choice in hindsight.
Even if he made a contract with the shady cult of sorts, it's far better than leaving his family's life in danger. It's worth it to him, as long as they remain safe everything will be worth it in his eyes.
So he left, the new clothes lacked the rotten smell of his clothes from before, and the fragrance of the soap would kill any smell of medicine left on his body. Which is enough to fool those that did concern him, which is mostly his wife and daughter.
Scaring them is never the right option. Specifically, his wife might refuse to leave the city once she learns of the danger it all poses to him.
