Accelerator just placidly lets Donnie bother him, even more reminded of Last Order. It isn't something he's given any thought to before, but he supposes spending time around her has made him more tolerant of little kids being little kids.

Still, he's very glad when he can sit and drink his coffee. He starts sipping at his drink when that question comes, and he raises an eyebrow. Guess he's capable of talking when he wants to.

"It's a medical device," he starts, mulling over how much to say. "It helps me use my powers."