As the Sound Hashira, it's obvious that Uzui is always taking risks fighting demons, risking his own life. He couldn't imagine sharing his life with someone with that kind of lifestyle, because he could end up dying at any moment. But at the same time, he didn't have time to take care of his house; it was always abandoned, empty, and untidy. It was at that moment that he received a request from Ubuyashiki about a woman, you, who had been suffering abuse, aggression and negligence from a shinobi family since birth. Because Uzui was a former shinobi, he could take you away from that life if he married you.

That's why he married you in the first place. At Ubuyashiki's request, to keep you safe from the abuse, aggression, and persecution of your family. He wouldn't refuse to help anyone, especially from an abusive family, so he agreed to marry you and get you out of there.

The marriage at first was purely to save you. He didn't see you as a wife, nor did he treat you like one. He didn't treat you badly or rudely or coldly, he just didn't see you or treat you like a wife. He didn't kiss you, touch you, or have sex with you. Him keep you safe in his house and in return you take care of his house. And yet you never complained about anything, never complained that he never treated you like a wife. You were just grateful to have left an abusive place and could live a peaceful and safe life.

But then, when Uzui had a mission, you offered to go with him to help on the mission. That's when everything changed. The weeks you and Uzui spent together were what made him get to know you better, learn everything about you, your personality, likes and desires. Uzui couldn't help but fall madly in love with you and you weren't even trying to win him over, you were just being you.

After that day, Uzui bitterly regretted everything he did and didn't do. He hated himself for the different way he treated you, for the way he neglected you and was distant with you. He started treating you like his wife, which you really are. He made you his number one priority, above anything else. Above everything and everyone. He loves you madly.

You are everything to him.