Have you ever known someone with a squared off chin? These people love in depth conversations and even a debate. You might think they seem aggressive but they are just more assertive and self assured. They will not hesitate to let you know if you annoy them however.
They are also great people to fight for a cause. They have a lot of determination and will stick with their convictions. When they make up their minds, they can be very stubborn about changing their mind and will present a strong force to be reckoned with.
Don’t count on them to just go along with the crowd. Just when you think they’re willing to just go along, they’ll surprise you and stand up for what they truly believe. Always get firm agreements from them.