Y&R Spoilers say that Jack, and Phyllis will comeback together for a typical reason. A bun in the oven.
With Phyllis finally able to get Billy to move on, and leave her alone. Billy then started turning his attention back to Victoria. Whether Billy, and Victoria can work it out is there problem to solve.
Plus with Phyllis able to stay working at Jabot allowing her a chance to wear Jack down. That help cause there passions to reignite. In that a baby is made. In the most unusual circumstance that can be unexpected in there lives. What do you think? Could it be a baby girl finally for Jack?