The thing with robots is that they have no heart.
Today's technology allows for exquisite customization of a robot's body; they can resemble anything, but most choose to emulate their creators.
He pumps her chest repeatedly, tears blurring his vision. "No, no, NO!" Then he's pounding with desperation, pounding on the place between her breasts. Unseen hands tear him away. A Robdoc comes in... what? Hope you have insurance, he says. You sure busted that thing up. A simple reprogram, that's all, man.
What? He shudders. His wife... a robot?!
The thing with robots is they have no heart.