Listening, writing, reading and speaking - Which do you think the most difficult?

-How do you often do to improve that skill?
- How do you often learn by heart new words?
- Which do you think the more important thing in learning English?
- Do you like learning English? Why?
- is English important for you? Why?

A lot of questions huh? I would like to answer your title. When I studied in university, I fear of reading since I'm lazy to learn new words. However, I love writing and speaking. I like writing "free writing" from that I can learn and remember new words and grammar for long. "Free writing" (write about a topic freely), did you try? I'll like this way of learning, I think