I think it means that the person saying it thinks he won't even be jealous after the other person says they're jealous.
either he want you to be jealous, or he thinks of you as a friend and wants to tell you things that he can trust you with.
Not necessarily. It could mean she is just possessive and jealous of you and wants to control you.
she is jealous of her or him
jealous, mean, evil, DO NOT BE THEIR FRIEND
That he either wants to make them jealous or he's trying to get the ex to leave him alone and get the message that he's over her
Jealous means envious or wanting something someone else has. 'He was jealous of his brother's good fortune.' Sometimes it means you are protective of what you already have. 'The lords were jealous of their privileges.'
A lot of times it could be that they want you to get jealous. But it could mean a lot of different things.. it could also mean that they want you to know they are over you and on to somebody else. sometimes its hard to tell exactly what someone means when they tell you those things.
trying to make someone feel jealous
He could be jealous, maybe he wants you to himself.
Basically being mad that someone has something that you wish you had.
That could mean to contradict the other person or undermine what they are saying.
She likes you and hopes your jealous, or she feels close enough to you to tell you that.