Well it's very fortunate she doesn't choose to go into it, really, because then Archer might have to voice his own understanding, and the understanding would require an explanation as to how he understood concepts like time travel, alternate universes and alternative timelines, and getting into the realms of temporal directives and time agents and getting stuck in World War II among other things would just give him a headache. It's easier this way.

"Ops is a very challenging station. Resourcing all the power we don't have to bolster the shields, finding new innovative ways to scan for alien ships in gas clouds on the spot--you have to be able to think on your feet." He's grinning too. "Is that what you'd like to do, in the end, or is your heart in some other project?"