Well, the first thing I will say is that this discussion should occur in person to ensure clarity and avoid a lot of posting and replying etc.  I will say that I haven't asked Sabina about this yet, but my timeframe has been dictated (and will likely continue to be for at least another 5 years) by the kids bedtime starting at 8pm, thereby only sticking her with the kids for ~2 hours versus the proposed five hours.

Let's discuss next week (or whenever the next session is planned for); let me know what time.