Why Do I Enjoy This?

Why do I enjoy this? I've been locked for two days and haven't had an orgasm for seven days. Early this morning, about 4:30, I awoke to rather significant nocturnal tumescence (or morning wood). I could feel my cb6ks squeezing my cock and pulling on my balls. It wasn't too painful and I enjoyed it tremendously. I could feel the hormones as my face felt flushed and my heart beat stronger and faster. I eventually sat down to urinate and the erection eased, but it did feel so nice.