I'm looking for an idea of what that middle section of the last sentence means; is anyone able to help?
PeterAt first I started to laugh, but when I understood her, a shock passed through me, and I sat like one turned to stone. This was the crowning bit of idiocy I had committed. During the moment which elapsed between her reply and my answer I thought of a thousand responses to that innocent confession. I could pass it by with a laugh, I could misunderstand her and assure her as to my health, I could simply point out that it was impossible she could love me. But my reply was quicker than my thoughts, and I might think and think now when it was too late, for I had kissed her on the mouth.