okay uh,, CRITICISM tIME,, no offence tho,, i'll help you to improve in art,, so uh maybe try to do the outline with black colour,, or even dark colours--- and yes,,,, anatomy-- and shading,, so you need to add eyebrows to point out the character's expression easily,, so the forhead won't be empty i guess also,, it would be good to add fingers on a hand,,, and shading,,, i don.t know what that two lines are on neck but,, try to shade bottom of the neck to make the shading of neck,, also the shirt is overshaded-- i mean i don't know what to put this here but,,,, yes,, shirt is overshaded,, shading on the hair--- oh and yes if you want to shade/light a drawing use paintroller.