Never mind "being heard through the wall"; it's almost a certainty that the neighbors felt "a great disturbance in the Force", as Chii's and Takumi's mutual passions reached critical levels.
And In The End, it's probably a foregone conclusion:
Takumi said, 'I will be louder. No doubt.' And she succeeded in her endeavors. Thanks for coming to my TEDTalk. I will not be taking any questions. We now return you to your regularly scheduled programming.
