People be like : But he could have courted her in the past.
Ah yes, when she was the PRINCE FIANCEE! And he's of commoner origin.
So it was logical why he didn't court her back then.
... Now, in his recent behavior, he's very dumb. She explicitly said "No" and instead of thinking "Perhaps I shouldn't butt in, just keep myself on the sidelines to support her in the future", he went all Nice Guy™ and asked a freaking dragon for a duel.
1 : Darwin Awards
2 : What, do you think she will say "Oh you're stronger than a dragon, I shall now be your bride"?
Like, c'mon dude...