Hey, thanks very much!! I do appreciate it.
Used to be I inked all my lines on co dot dot dot missioned house portraits, but that was just one more inessential thing I stopped doing to speed things up. However, the guy who co (la de dah, music playing here) missioned this one, who's a damn good comics artist himself, wanted those black lines in there to give more of the comic book look. I didn't think about it at the time, but it was the right call — the black lines help balance out that super-vibrant red (even if it also creates kind of a CAD/illustration look, rather than something painterly.