right, it just looked a little soft due to the skin smoothing
I was going to say its flat but then u wrote that
Sorry I should have been more specific, generally in portraiture there is a ratio of fill:main light which produces shadows on the face, thus producing dimension (in their faces).
Solid job on the photoshop-ing; you can slightly see it in the area where her hair nears his jaw. May be more noticeable printed at large sizes.