"Given the diverging time-lines, I can only think of one way for you to prove I'm immortal, and if you're seriously considering that, you'd better be damn sure."

Okay, he doesn't trust the guy not to poison him, con him, or lie to him, but he does trust him not to kill him. That's... about right, actually. "And." He checks his vortex manipulator, and smacks it. "It's... iffy, but yeah, it looks like it's still trying to work, anyway." While he's still talking, he looks at hte bottle of scotch and in light of the fact that this is starting to sound more like truth than an elaborate ruse? He refills his glass and tosses back that second shot like it's water.