Do opposites attract or repel each other?

Do they complement or drive each other apart?

James is a happy-go-lucky freshman college student. He doesn't take life too seriously and he always like to have a good time.

Nadine is a sophomore college student in the same university as James. She is a goal-setter with her life planned out for her since she was young.

Separately they go about their lives peacefully without major glitches.

What if their paths suddenly cross? How will their lives change? Will it add spice to their so-called perfect lives?