Gorgeous....fantastic....beautiful...sensitive...........and the cat's lovely as well 
I'm really impressed with this beautiful drawing. You have a great level of understanding - drawing what you know to be true rather than suggesting something half-understood.
Great textures and three-dimensionality. A true understanding of tonal structure that prevents the drawing from getting in the way of the subject.
Wonderful use of negative drawing techniques...
Got to stop...I've run out of superlatives.....
I like the kitten's quizzical expression but maybe a little more "happiness" might have lifted it a bit. Its stare is a little cold to my eyes.
HELPFUL HINT #1... This is a technique I've used for years and might be of use to you. Although the Kitty is a cat and therefore projects emotions in a cat manner - it is being viewed by humans. Humans inevitably look for human emotions in the subject. Look at at your own face in a mirror and copy the look of the Kitty then alter your own facial expression to how you want the Kitty to look. Analyse the changes in your own face and then build those into your drawing. For example if you had extended the shadow of the mouth further to our left, so it finished on an upward curve, your kitten would be gently smiling.
MIKE
www.SibleyFineArt.com
www.Starving-Artists.net