function yeah(obj, depth, slug, seen) {
    depth--;
    for(key in self) {
        console.log(slug+"."+key+" ===> "+self[key]);
        if($.isPlainObject(self[key]) && depth && _.indexOf(seen, self[key])==-1) {
            seen.push(self[key]);
            yeah(self[key], depth, slug+"."+key, seen);
        }
    }
}
yeah(self, 6, "self", []);