"Be an ass for your marriage. Be an ass for your children. Be an ass for love."
Couples Retreat should have been way more entertaining than it was. The story premise should have provided plenty of opportunities for laughs. The majority of the movie was filmed in Bora Bora, which is as close to heaven as you'll find on this earth, The cast has proven in other movies that they can be extremely funny, and the gorgeous actresses are in their bikinis more often than not. Despite all these obvious advantages, Couples Retreat ended up being a bland and unimpressive comedy.
The main problem was the script, which was very weak. Lots of the jokes fall flat, and the characters weren't well-written at all. It's a shame that these actors were wasted this way, because I'm convinced that with a better script, they all could have shined. Vince Vaughn, Faizon Love, and Carlos Ponce (in a small but hilarious role) are really the only three actors that get any laughs, but they seem to do it in spite of the script, instead of because of it.
If you want to see a funny relationship comedy that's set in a spectacularly beautiful place, I strongly recommend that you check out the far superior Forgetting Sarah Marshall. It's much funnier, and you'll still get to see Kristen Bell in a bikini. Win-win.