Even though it was the "right" move by Mr. Edgelord over there ... it was still a dick move. All IS fair in Love and War though so you can't fault him. Although, the whole "I can't beat her (and she seems to like that other guy) so I'll try to kill her because she's distracted" thing leave a bad taste in the mouth. While it was prudent to strike at the enemy at the best opportunity it was also dis-honorable. Though if you choose honor over winning then you might just end up dead in a real fight.