[Billy said in response. He could a few words. "Where, why, leave" and he could have tried to work backwards to figure out the rest, but he wasn't in a good mood. Things were hard, and while he understood that this was probably hard for Pietro too, he just wasn't feeling a lot of empathy. He was sad, he wanted to spend time with his brother and not think about the fact Teddy was gone; the fact Wanda had left.]