Jane didn't know from experience about long distance relationships, but she was pretty sure two planets would have put more stress on the relationship.

"It must be hard being separated that far from someone you care about." It wasn't clear, but she was talking about both Thor and Jane. "Protecting the Nine Realms would at least keep you distracted. Not to mention keeping Earth safe, so thanks for that."

Even if it turned out that Jane's world wasn't the same as his Jane's world, she felt it needed to be said.