Being clear about that kind of thing would be a serious career limiting move in all of the companies I worked at. No one likes a whiner, even if whining is just

Being clear about that kind of thing would be a serious career limiting move in all of the companies I worked at. No one likes a whiner, even if whining is justified. Simply put, in a 1:1 you're not in a position of power and therefore your leverage in this negotiation is very weak. If you are vital to the team/project, when seriously threatening to leave, you _are_ in a position of power.