Among the two of you, one may be a logical thinker, the other might be an emotional one. So, it may become difficult to decide on things together. This might be about petty issues, but can also cause fundamental rift between you two.
While these issues may seem trivial to you right now, they can affect your relationship in a big way. So, watch out and try to keep the arguments at bay during the courtship phase. After all, this is supposed to be the best time in any relationship!