[Whoa. Points for honesty. The least he can do is level with the guy.]

If you did, you'd be destroying the only probable means we have of getting back to our own homeworlds.

[Plus the total collapse of the portal array might result in an entropic discharge that would create a fireball the size of a freakin' city block. He'd rather not be the indirect cause for a lab-based calamity again, thanks.]