He is a senior brother; and she is a junior sister
He said: I hold the sword in my hand only to protect the one I love most, and to protect the person I want to protect.
She said: Senior brother, I will give birth! If my senior brother dies, I will go with him!
For him, she would rather give up her previous position as a superior goddess, and stay by his side no matter how much she bears and how much she sacrifices;
For her, he could give up everyone's expectations and stay with her, but because of her words "I don't want him to be in trouble", he would do what she wanted him to do; for him, she could do anything, even sacrifice herself, as long as he was happy, but she didn't know that her being by his side safely was his greatest wish!