Oliver had to fight to run a hand along his face at the puppy dog look Barry was giving him. He hadn't kicked anything. And he hadn't refused Barry. Not exactly. He just didn't have the expertise that Barry clearly needed. If he wanted to hit things, Oliver could teach him that. If he wanted to survive in the wilderness or use a sniper rifle or a bow.

"I just don't know how I can help you," he clarified. "But of course you can use the lab. I'm not going to turn you away just because you've changed a little. I just don't know any of the science that would help figure out what happened and you seem to be doing all right keeping yourself from doing everything fast. I'd guess not running from here to the other end of the city is just practice."