"There are good things about being here. There's Edward and Mia and now there's you. And didn't you tell me that you had a boy?" It wasn't exactly jealousy that he felt. Jealousy was the envy of something he felt should be his, and Navi was her own fairy. It was more... wistfulness. The feeling of What Might Have Been.
"Go on, tell me about this boy." He put on a cheerful smile.