There is a moment when you think that your skills do not improve! what do you do to continue?
I feel like this moment!
Also take a break. Give your brain a rest.
You could read or listen to English just for fun too. The more exposure to the language you have, the more goes in subconsciously.
I agree with Mohammed. Make a change.
In my case I identified what I want to work on (listening, vocabulary, media language).Then I Googled how to improve my skills in the language I'm learning. This led me to different websites focusing on these things. I was surprised how many good, free language learning sites are out there.