You two may not treat each other as equals. Your friend will usually try to take the leadership position, telling you what to do and how to do it, and that will inspire a rebellious reaction in you. Don't they realize that you like to be in the lead?
When you get excited about something, your pal will try to repress that enthusiasm like water dousing a flame. You'll focus too much on respectability versus rebellion, outrageous behavior versus good manners and following the rules. You'll always seem to be on opposite sides of the fence, and the tension will mount until you're both forced to abandon any pretense or hope that you can control each other's behavior. Otherwise, you'll find yourselves being passive-aggressive or even openly aggressive. You two must make the effort to treat each other with respect.