It's a comedy that settles for smiles, mostly wry ones. A story of a would be loser (once again - I don't believe there's such a thing, but people do use the term). Kind sensitive and unable to say no for real. Everybody around him knows it, and they all take advantage of it. Pushing his life into a surreal spin, in which reality itself loses touch with reality.
It takes some very good acting, a carefully balanced plot - it could easily slip into an all out farce, and that, obviously, wasn't the intention of Dominik Moll - the director and of Gilles Marchand who helped him with the script. The line between sanity and common sense is also being blurred, in the best way. I think this kind of dual balance is best kept in French comedies. There are similar stories being made elsewhere - they end up over the fine lines that this film succeeds not to cross. It does makes you think, what's a loser, is it so bad being one. Who's insane who isn't and who lives in a bigger cage.