The years of burning passion have passed, leaving only whirling memories.
2. Passion has passed, but tenderness has not left.
My passion for my lover has faded now. But my tenderness for him still flows.
Passion has passed, but tenderness is increasing.
The meaning is the same as 2, but the expression is slightly different.
4. The passion has passed, but the responsibility will not fail.
The passionate pursuit of her in those days is now as plain as water between husband and wife, but my responsibility to her will never fall, nor will my family.