"Forcing yourself" to do anything "feels" negative and difficult. Reframe this if you can into "exploring the new world of TB". Get excited about itrather than having it become something you "have to do in order to finish yourhomework before you can go out to play".
I said: ==== I agree with you about using positive language. But I don't see that the term "to force yourself" as negative. I see effort and work as a good thing because it brings fast results. ====