Ok, wow. So much crazy in this episode. Like, just getting Vulcan physiology shouldn't suddenly switch your personality like that. Vulcans are not innately logical creatures, in fact, quite the opposite, feeling emotions more keenly than humans. Suppression of emotions, pure logic, and being massive jerks is trained behavior!
Now that all being said...I laughed so hard during this episode! It was highly entertaining, and the bit about "Romulans. Let us never speak of this again" may be my favorite.
Or maybe it's "What the hell did you do to my brother?". LOL.
Poor Spock though. He joined Starfleet to get away from this exact situation, and now it's been thrust into his face like a plate of live gagh. I think it's easy to forget that even when Spock is being insufferably Vulcan, he's actually trying hard not to be, and that real Vulcans can be oh, so much worse!