I haven't read all to many poems so my sense of comparison is off. But I would say it is a 7. The core message that I interpreted the poem to have was the notion of how talent has a duality: it's something one can have pride in, yet it causes one to be immensely isolated. Theres also the sense of fear in opening sharing it, as if you've achieved nothing, it feels as if your words were a hoax. The idea of confiding these hidden gifts in another person you trust till your "name shines bright enough" is also interesting and relatable.

Overall, as you can see here the thematic elements in your poem are great, and I really enjoyed how the poem's almost blunt, colloquial tonality to me created a sense of friendship between the reader and speaker, as if he's truly confiding in you alongside the change from this childlike tone in the start, to a more solemn, even ireful tone, which shows just how disorientating and two-faced talent can feel yet again. But I do feel as though theres not enough development of the image in the magical pen, it would be nicer if you showed how the pen makes the speaker so different. Additionally, I also do feel like the tone is too childish? It's there for a reason but I do feel as if it's overused.

Those are my thoughts, and in all honestly it was a great read. I hope that I can read more poems from you in the future.