He really did. He had a good thing going, and he completely blew it, and spectacularly. The irony is, he doesn't see he's acting the same way as the people he disparaged for how the got obsessive, possessive, and clingy of him. He doesn't see it at all.
And yeah, only a few more. The first book was listed as 下, which is the first book of two, and when I was looking at the scans, the bits still in Japanese said it was for the 上 part, which will be the second and final book. So...yeah, things won't last much longer. I can't imagine how she'll end it in only two or three more chapters, and am all but biting my nails to see how it goes.