It is bad to throw out unfounded accusations
Doug thinks his girlfriend Denise has been acting a bit differently lately and spending a lot of time at work.
Doug wants to figure out what is going on with Denise.
Doug asks Denise if everything is okay at work and if she needs anything from him.
Doug confronts Denise and accuses her of having an affair with her coworker.
Denise appreciates Doug's concern and lets him know about what she has been dealing with.
Denise is upset that Doug does not trust her and asks for some space between them for a while.