They don't tackle problems in the same way. Maybe you think there's something wrong with your relationship. Most likely, there's not. More likely, the differences are a matter of style. Research shows that people communicate in measurably different ways that reflect differences in what they choose to hear and say.
Some people focus on feelings.
Some focus on tasks. Some focus on the big picture. Some focus on the smallest details. These choices determine how we relate to the world. So understanding our style is tantamount to understanding how we see the world around us.