[What a good question. He doesn't know, truthfully, and Yu's right in that the stretch of silence is almost uncomfortable. For a moment, he'd thought Yu would actually tell him it was a stupid idea. This isn't the case and he's left struggling with putting his thoughts into words.]

...there's that Nexus. It's where we supposedly all go when our code gets corrupted somehow, and...and people have come back out of there with new memories. I could test it myself. I could fix the coding and then test my own memories to see if I had new ones of Tadashi being alive. Something. Something that wouldn't hurt him or anybody else. I could try that. If it didn't work I could rewrite the code again until it did.