How do you stay focused, motivated, and/or inspired while writing about a single theme or subject?

Hello, hello.

I’ve been sitting on these two lines and theme for a few weeks now and can’t for the life of me figure out where to take them.

I’ve since written several poems on other themes and subjects (even workshopped and re-drafted them several times!) So motivation and inspiration, I don’t believe, are the issue.

The subject and theme do still animate me quite deeply, as well. So I don’t believe it’s a disinterest issue.

I tend to work better with flashes of inspiration, prompts, or collective writing time. But when it comes to self-motivation regarding a single theme or subject I want to write about, consciously, I typically have a hard time finding the words.

I hope this makes sense because I would really appreciate some advice or suggestions.

Thank you in advance. <3

The lines, for reference:

My pain is not your point to make,

My Suffering is not your intellectual exercise.

Edit: Not sure why this has been downvoted. I think it’s a pretty straightforward question.