He and Jake had talked about what kind of trouble Rachel might have run into while she was inside the Chapman house, and their desire to help her with whatever it was that she'd ended up facing, and had ultimately decided that Jake would be the one to go with her in a flee morph, and he would look after the other Animorphs once Jake had made contact with him. Cassie and Tobias had been the first to bring up the possibility that Rachel might have actually been afraid of what had happened to her while she'd been in there, and was going back inside because she wanted to conquer her fear.
And, while Tommy could respect wanting to overcome fear like that, it was too dangerous considering the odds against them right now.
Still, the four of them made more concrete plans for what they were going to do when Rachel went back into the Chapman house, and then left to go their separate ways until the next time they met.
