Hey. You lack the Air element which will lessen your ability to gather information from different kinds of sources. Lacking Gemini is also lacking the Sagittarius axis. Gemini is in the 3rd house of communications.
On the other hand you do have mercury retrograde which potentiates it in the 5th with jupiter.
I could see you doing some kind of technical/analytical based writing with all the virgo mercurial energy. Along with the exuberant Leo bent.
Your MC is at 26 Sagittarius which will provide some kind of philosophically meaningful output.
I would say that it isnt going to be easy, but it wouldnt be that hard. Well basically it would be steadfast, neurotic, analytical, confident, etc.
Your mercury is also on the voided cusp of oscillation cancer/leo.
Square your North Node it would be something perverse to the "trail" probably writing through an identity that you don't possess.
Someone would have to look in deeper in what kind of thing you possess, but the mercury is funny. The cusp of oscillation is about the space between oedipal inferiority and its inversion. When you balance these forces out you get this directed energy of feeling it out, and placing it where it needs to be with confidence.
With the Cusp of Energy north node what you are trying to do in life is basically cultivate your energetic self and possesions. The trouble that the poster was describing is that you are going to have to figure out how to get the cancer and leo to play on this type of ground that you are following. The north node more describes things on a daily basis and our ontological aspiration, but not exactly what we are. I think that cancer/leo has a more intrinstic feeling/theatrical view of the situation while the aries/taurus wants a formidable battleground. So there could be a lot of mishappenings between this energy as one is selling one thing while describing a thing from another universe or focal point.
What you should do is read Air signs, and try to innovate a position with the "big heart" of leo and the "pragmatic discrimination" of virgo. What you are missing is the libran truisms (nietzche, hiedegger), the gemini wordplay (shakespheres venus) and aquarian revolutionary idealism (james joyce). On the other hand the writing community is always looking for something new on all levels.