the first piece of advice i'd like to give you is to just draw. any spare time you have should be spent drawing.
second, do a little bit of everything. draw what is in front of you. draw from photos/pictures/artist you want to copy, and draw from the imagination. if you frequently cycle between these three approaches you'll develop a a good pace. watch tutorials to discover new approaches. also, don't be afraid to post your stuff here
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third, draw what you want. don't feel compelled to do art you don't want to do. take pride in what inspires you.
lastly, be patient with yourself. let yourself enjoy your drawing. if you keep it up, you will get to a place you'd like to be.