It is good to end in good terms with people.
Jake is not enjoying his relationship with his girlfriend as much as he used to.
Jake wants to break up with his girlfriend.
Jake tells his girlfriend that they have to break up because she deserves more.
Jake tells his girlfriend that he wasted so much time with her.
Jake's girlfriend misses Jake, and she still thinks highly of Jake.
Jake's girlfriend starts hating Jake and never wants to talk to him again.