public function loadMissing($relations)
    {
        if (is_string($relations)) {
            $relations = func_get_args();
        }

        foreach ($relations as $key => $value) {
            if (is_numeric($key)) {
                $key = $value;
            }

            $segments = explode('.', explode(':', $key)[0]);

            if (Str::contains($key, ':')) {
                $segments[count($segments) - 1] .= ':'.explode(':', $key)[1];
            }

            $path = [];

            foreach ($segments as $segment) {
                $path[] = [$segment => $segment];
            }

            if (is_callable($value)) {
                $path[count($segments) - 1][end($segments)] = $value;
            }

            $this->loadMissingRelation($this, $path);
        }

        return $this;
    }