Here, he is shown to be a happy-go-lucky goofball and easily gets distracted by food (being that his abilities apparently require lots of energy to use).
His personality is changed as well; no longer an inept goofball, he is now a manic trickster seeking to unleash his twisted brand of laughter upon the world.
They decided a fast marriage was funny, but also made sense because the characters are two impulsive goofballs who do nt approach their lives in a responsible, adult manner.