> Then, is it possible to minimize losses for a
> session by stopping play after early losses
> exceed EV for the rest of the session?

There are lots of variables here, but let's assume your hourly EV is approximately 1.5 units and you plan to play a 1 hour session.

If you double down on your first hand and lose, you've already exceeded your EV for the remainder of the session. It must be time to stop, right?

From your previous posts, you've obviously given this a considerable of thought. Unfortunately, you're wasting brain power. If you're that concerned about variance, forget BJ and open a savings account.