I photographed the first image during a recent boudoir photography session. I insisted on using my 85mm f1.2 lens because I wanted to force myself to work sans 70-200 zoom (my favorite lens). The result was a collection of images that featured not only shallow depth of field, but also a spontaneity that I lack when my camera is perched on a tripod. I achieved that.
But because her bed room was a little small, I couldn't back up far enough with the 85mm to leave any space around the image. I typically shoot tight anyway, but not having extra wiggle room sometimes causes issues when cropping for prints later, such as for an 8x10. Plus in this case, I didn't like how her foot was cut off. In addition, I shot a few images with the window in them. I usually avoid things like that, but since this is a boudoir portrait session, we might want a light, airy element.
So... I found a similar pose in the session that included her foot, and another with the window. Finally I added the misty effect using some Floreblla actions and other Photoshop fine-tuning.
While I usually prefer straight color, sometimes the effect I envisioned when I photographed it requires me to suppress that preference and go with whatever technique completes my initial vision.