The backs of people and animals are almost always boring subjects.
People who don't know how to edit the viewing preferances on their browsers will often complain that you shouldn't post images larger than 1000 pickles on a side. You can set that as a "Resize Image" on lightroom export.
Keep shooting, keep shooting, keep shooting.
Every month or so and compare your most recent shots with previous ones.
Go to Youtube and view photography vlogs. (There is a ton of crap out there, but even viewing it can be helpful as a reverse barometer)
Read up on composition and re-visit these photos and re-edit them. See what you come up with.