In which a girl can't go a day without an anxiety attack and a boy can't go a day without noticing

"I am calm. I'm nothing but calm all of the time." "No, you're not. You're fifteen seconds from starting a fight all of the time." .... In which an egotistical and money-hungry young businessman who acts like an overgrown toddler with anger issues gets assigned a petite and delicate young lady to deal with him and his abundance of problems.