No, this sentence is not original to Su Xiang. The copywriting of "Linglong Ji" just borrowed this sentence.
The full text of this passage is:
Who holds my hand and restrains my madness for half my life;
Who kisses my eyes and covers me for half my life Wandering;
Who caress my face and comforts my sorrow for half a lifetime;
Who carries my heart and melts the frost of my half-life;
Who supports me? My shoulders drive me into silence all my life.
Who calls my heart to cover up the misfortune of my life.
Who can abandon me and leave me alone for the rest of my life;
Who can understand my intentions and make me have no regrets in this life;
Who can Help me, your arm is unparalleled for thousands of years;
Who can pour my heart, an inch of earth is like a void;
Who can bury my sorrow, laugh at the emptiness of the world, and my heart is crazy.
Yi, cover my lips and eliminate the wandering in my previous life;
Yi, hold my arms and eliminate the frivolity in my previous life.
Holding my hand, I will accompany you in my madness for thousands of lives;
Kissing your eyes deeply, I will accompany you for eternity.
Holding my hand, I will protect you from all the hardships of your life;
Kissing your eyes will give you a lifetime of affection.
I, hold your jade hand, take everything you have in this life;
I, caress your beautiful neck, protect you from the wind and rain in this life.
Yu, holding the child's green silk hair, holding the child's love for a lifetime;
Yu, holding the child's hand, going to love for a lifetime;
Zeng, with The name of my father saves you from sorrow in your life;
Zeng, out of pity for your son, wishes you a safe life!