I think incorperating art into everything is awesome. Heck, I work at an art school the one I attended no less but I work in IT. In 10000000 different ways I've added art to my job, I design all our flyers, all our pamplets our tech website and alot more.
For years at this job I felt that it was lacking the design that should be associated with an art college, yes we're IT but even art school IT needs a bit of art. Not just information tacked up to a bulletin board heh.
You got a natural knack for it, I'd suggest some things tho.
You work in pencil mostly from what I can tell. Do you use the light blue (or red) pencils to do you pre-sketch work? If not I'd def recommend getting a couple and giving them a try

. Their nice so you don't have hoards of smeary lead on the page when you're doing all you starter sketch work. After you get all the fundamentals of the drawing down in blue or red then rework your lines in lead or ink
Blue Pencil -these are the ones I use normally, their the non-photo blue pencils (basically they don't show up much when photocopying something). I love em, they come in red too!