You would probably not get heard, or be misinterpreted by him. He would do thing she thought would please you, but which do not fit what you want. In this case, professional counseling may help you to have a good relationship. However, this relationship does not usually have overt conflict but rather inner pain in both. This is a relationship which seems to rarely happen.
First borns tend to walk away from each other due to inability to connect.
If they were to be married to each other, they would tend to seek good feelings from other people rather than each other. However, this relationship would not have abuse or conflict, but rather a feeling of boredom, of obligation toward each other, and of being out of touch with each other. This relationship seems to be rare because first borns tend to find second borns to be scary. In relationship, the first born tends to be at the mercy of the second born psychologically. If you are female, you are more likely than a male first born to be compatible with a second born.