After the Ursa Minor incident, Trixie's life has been going downhill. And just as she thinks she's hit rock bottom she meets a rather large red earth pony who offers her a place to stay.
During her tenure as the Terrible and Despotic Trixie, the showmare had certain needs. Needs a certain stallion helped her with. Getting in her good graces couldn’t hurt… and he got in real good. And it certainly didn’t hurt.