I'm an artist too! I actually drew a picture of a wolf not too long ago using the same colors you've used in this piece! They go well together, don't they? As a whole, I love this! It's very cute. Even though I know you didn't intend for this to be perfect, I'm going to go ahead and talk about a few things I've noticed.
You did a good job sketching the hair. However, I would've loved it if you would've taken a few more minutes and taken the time to really do some detailing on it. Hair is one of the easiest yet the hardest things to do. The only way to do it well, in my experience, is to take your time. You got the basic lines of it correct, though, and it doesn't look stiff. Good job!
Next up is the eye. I love the color you've added to this piece by coloring it in; the one thing that would make it better is to not outline it so distinctly. The best way to make eyes look realistic is to use shading to outline them, not lines. Lines make eyes look wierd, unless the lines are used sparingly for lashes.
I like the shading you've done on the cheek; I also love the nose. It's very delicate.
All in all, great job! Always keep sketching!
-Rose
“...it's better to feel the ache inside me like demons scratching at my heart than it is to feel numb the way a dead body feels when you touch it."
I have one further comment to make for your drawing, but first some tips about art in general!
I'm going to second what creativityrules said about taking time with different features. The hair, if given more time and tender-love-and-care, could definitely shine through even greater in this drawing. To further that, shading and attention to light cast and shadow and all of those higher-level aspects--they'll force your skill in drawing to burst forward in lieu of the normal crawl of budding artists. If you visualize fine detail, realistic detail, I believe that you can, with time, make it happen.
But, as all things, it demands small steps. Let's start with the nose!
If you look at a human face from the side, say this picture I found on tumblr: you'll notice that the profile of the nose doesn't completely jut out from the human face. So, with your detailing, start the nose further into the face itself; it'll make things that much more realistic; but again, that takes time and effort. It comes with an understanding that nothing about the human face is perfectly square: everything comes in curves and arcs and all sorts of wibbly wobbly things that make the human body so captivating.
Learn to appreciate those curves, the arc of the neck, and you'll find your artwork blooming brilliantly.
Keep truckin',
-Lumi
I am a forest fire and an ocean, and I will burn you just as much as I will drown everything you have inside.
-Shinji Moon
I am the property of Rydia, please return me to her ship.