Unfortunately, Kate and Toby are moving in two different directions with their coping after learning of Baby Jack’s sight disorder, and Toby has been doing secret workouts while Kate is stress eating.
Toby was aware of what was happening with Kate, but the female member of The Big Three didn’t notice what Toby was up to until recently.
Every character is going through lots of changes in This Is Us, and every one of them is dealing with them in different ways.