"Rachel worries, greatly, about many things." Hank admitted. "She would no doubt be considering the wisdom of connecting two unrelated realities, though I doubt we will be experiencing nazis from your world as we have from others." In fact he was almost certain!

"I believe the shielding and control we can put upon a single entrance and your need for therapy far outweighs the risk of accidental convergence of realities. There simply isn't enough similarities between our worlds to cause an issue."