I do enjoy it, I think I'd enjoy it even more if I put a lot of work into it so I could keep up.
The point is, a law degree is hard work. While I enjoy the subject, and talking about it and even reading about it, I don't particularly enjoy hard work, along with most other people. The reason I haven't once regretted choosing law is that I know there's a worthwhile and interesting common theme to the hard work.