He’s still hung up on his wife, despite falling for and having an affair with a former KGB operative who was brutally killed in Season 4.
Stan will come with an awful lot of skeletons in his closet, so it should be interesting to see how much Renee will actually learn about him.
There’s always the chance that she’ll turn out to be another spy, given the fact that Stan isn’t exactly much of a catch at the moment.
Renee could be a regular woman who falls for a guy who happens to have a crazy job, or she could be an agent who’s attracted to Stan for his secrets rather than his personality.