mongoose minimize schema option

gistfile1.js

var Profile = new mongoose.Schema({
    // ... properties all around this omitted
    fixed     : {
      displayname: { type: String },
      birthday: { type: Date }
    }
  }, {strict: true, minimize: false});

// ...used findOne() to retrieve `req.profile`

console.log("Mongoose:", req.profile.fixed); // {}
console.log("Object:", req.profile.toObject({ minimize: false }).fixed); // undefined