Oaklant
Someone who acts like they’re the center of the universe and won’t let anyone else have their own stuff or love.
'I'm the only one who can talk to him!' she said, even though she just broke up with him.
'You can’t even like my favorite show!' he whined when I said I liked his show too.
'If you don’t take me to the park every day, I’ll fail all my classes!' she threatened me.