"* * turns into a petrel, the eternal love will never change, and the weather of * * * will last forever" means: just like a petrel, * * * flies in the boundless sea, and no matter how the years pass, the feelings will remain unchanged. * * * Facing the wind and rain, we bravely went through a long journey of life. No matter how time passes, our feelings are always firm. This is an oath and commitment to eternal love, expressing the deep love and trust of two people to each other.