I'm with Stacy's pushy self, Kevin is the catch here!
When Margaret says "so much effort," she seems to just mean being able to have a conversation without being interrupted. It would help if she finally told people to let her finish talking with the man!
No, Antonio did not call Kevin in for "the talk!" The sheer audacity.
Not him working his classist machinations on Kevin! He's a good man with a big heart, let him romance that soon-to-be queen!!
The plan sounds so simple for two women literally switching places when they're both rulers of different countries. No big deal, aside from the dire consequences if something goes awry.
NO! Why wouldn't you tell Edward?! Few hours or not, he should know if his wife is his wife or not!!
And, of course, she runs into Edward during the schemes. This poor man just wants to hang out with his wife, but she's busy scheming.