Louis Garrel is usually excellent, but in this silly comedy, I felt Raphaël Quenard and Manuel Guillot overshadowed him considerably. “David” (Garrel) and his friend “Willy” (Quenard) are on their way to a restaurant where David intends to pass a girl off on Willy. “Willy” is doubtful about this generosity and wonders if she might have hidden flaws, but David assures him she’s perfectly normal. As luck would have it,…