Remus and Tonks return home after the Seven Potter's scene and Remus contemplates about what to do about Tonks' pregnancy.
While Remus has left her, Tonks is forced to life through her pregnancy alone, using her fantasy to keep Remus with her at all time.
Remus is thinking back on how he and Tonks started dating and he's forced to make a decision he doesn't want to make.
Remus is agitated with Harry's behaviour and Tonks tries to calm him down.