Than why do people get jealous? It's irrelevant because it's not like it will change any thing. It just makes the jealous person look bad (most of the time).
Idk why people get jealous. But you never know. And yes it does. If I'm jealous I dont show it most of time I have nothing to be jealous about especially if me and that particular person are like stuuupid close and have a tight bond then I don't get jealous cause I know where their heart and mind is