Dude casually got himself a runaway princess as a girlfriend and that girl jsut casually drug rape him which he was totally OK with, later on she makes him guilt marry her due to him having no knowledge of the customs.
Let's not even mention the novel. The dude is just completely OK with being rapped, rapping or having assassin sent after him. He's just a complete beta dumbass... The perfect tool to be manipulated by any girl with a brain...