I can't get anyone else involved. I'm not losing anybody else! [That outburst is probably expected but he's looking up and staring Yu in the face with a weird sort of ferocity.] I'll figure out a way to bring myself back, I'm not letting anyone else touch my experiments again!

[There's a pause and he's struggling to keep it together, shaking slightly in his fury at the idea of messing this up.] I can make this work, Yu. I don't...[He stops, floundering on what to say. He knows Yu's right. He can't exactly argue against it.]