I dunno if this'll help anybody but in the offchance it does:
I used to not be able to draw expressions or varying poses at all. My pictures would always consist of poker-faced characters standing rigid and hiding their hands behind their back, probably with a side-fringe because who can be bothered with symmetrical faces, amIright? Essentially, I was avoiding my weaknesses and thus feeding them.
I coloured everything in greylead, because I hated using colour. I thought it complicated the process too much; and when I used colour, it always turned out muddy and gross. I would look at the amazing artists on this website, I would look at what