It's not a perfect comedy by all means. But it has a lot of heart. And it's not only in the outtakes that it can be seen, that the actors had a lot of fun in this. You do sometimes wonder how they could have stayed with a straight face, with the things they do or say to each other. Still this is not only funny and uplifting, it has two very charismatic and talented people at the front.
This may not be enough for some comedies, but with a solid script like this one has, the movie did Man Up and deliver on its premise. It does have flaws as I already mentioned, like the inciting incident, you have to buy it, to enjoy the rest. But if you get over that, you will have fun with it - literally