It's getting clobbered on IMBD (5.3), the girls hated it, and it is pretty smutty.
But if you can see past (or get around) Matthew McConaughey's butt, there's a really intriguing movie on the other side.
I figured it was something like Sleeping with the Enemy, and it's more like ____________________.
(Sorry, can't tell you. Last thing I wanna be is a spoiler.)
Suffice to say it isn't what you expect. At all.