MTL - As An Immortal, I Only Learn Forbidden Skills - Chapter 21 confusion

Jack Smith’s life ended rather abruptly. Spinning out on ice while driving a truck was not the most magnificent method to depart this earth. A mediocre man he had led an ordinary life until his death. Now with a second chance at life, he decided that this time he would be exceptional. This time he would finally live up to his name. After all, a jack of all trades is a master of none but ultimately better than one.Armed with a system and determination to do his best he sets out like any other reincarnated soul in another world to find his place and achieve great things. There is just one small problem with getting started in this endeavour . . . he is yet to be born!Welcome to a progression fantasy with a twist. What might you be able to achieve if your race to the top began before your body had even been born?Join our hero as he masters the language, magics and skills of the Compass Kingdoms but his first great challenge will be learning to walk once more. . . . .Warning 1: Be prepared for the MC to spend an entire book's worth of words and time as an infant but hopefully you will enjoy it nevertheless.Warning 2: Grandfather is legally abusive to MC for a couple of chapters but he is removed from that situation around chapter 30. To be edited out some time in the future.

You’re a struggling young doctor, barely making ends meet with a measly $2000 monthly income. Life’s pressures and trials weigh heavily upon you!But lo and behold! One fine morning, you wake up to find yourself equipped with some sort of cheat codes…You’re scheduled for an appendectomy, so you roll up your sleeves and get ready to explore the abdominal terrain:You touch the cecum: “Cecum: Healthy!”You palpate the colon: “Colon: All clear!”You reach the appendix: “Appendix: It’s an inflamed, pus-filled appendix monster, level 15, rare creature. Recommendation: Perform an appendectomy!”With a decisive hand, you wield your scalpel and skillfully remove the troublesome appendix.“Ding! Rare appendix monster eliminated! Rewards: +100 experience in appendectomy, +$100, and a shiny white suture needle!”And thus, your journey begins as an emergency surgeon. But remember, with great healing powers comes great responsibility!

Changqing has always felt that she’s incomparable to Guan Ying in every aspect. Even though she is pretty and has a good family background, this world is nothing more than a world where Princes are more attracted to Cinderellas.

Her first love that she dearly remembers in her heart for years eventually becomes Guan Ying’s current boyfriend and her fiancé is Guan Ying’s ex. He has yet to forget Guan Ying.

A business marriage brings Changqing and Song Chuyi together despite the absence of love.
In public, he is her friend’s ex and in private he is her husband who cannot be publicly–known.
At the hospital, her good friend enjoys her husband’s embrace while she can only act as though he’s a stranger.
At a gala dinner, her good friend hooks her arm around her first love’s arm shyly and she can only smile and give them her blessings.

…

In this marriage, Changqing thinks that all is well other than the fact that Song Chuyi doesn’t love her.
First, her husband is a doctor and he can treat all her illnesses while saving up on medical expenses.
Second, doctors love cleanliness and her husband would always ensure the cleanliness of the house.
Third, at the end of every month, her thin wallet would grow thick with cash that her husband stuffs in secretly.
Fourth, as a person who doesn’t like to exercise, she always get dragged around by her husband day and night to do some pleasurable exercise that is beneficial for the body and mind.
Fifth, she would never have to worry that she would be out of money.
There are always so many uncountable advantages that Changqing enjoys.

…

After the marriage, on a certain night, Changqing looks at Dr. Song gloomily. “Hubby, why are you so nice to me when you don’t even love me?”
Dr. Song continues reading his medical books and ignores her. It’s sometimes quite a headache when your wife is too stupid and daft.
Until one day, Changqing realises that there’s really no free lunch in this world…

- Description from Novelupdates

Lu Jing traveled through the Great Fu and became a young boy from a prominent family who was about to join another clan.

This world is weird and lonely, Lu Jing started as a son-in-law, and he couldn’t go to his wife’s house, and his future was bleak.

But he read the “Book of Changes” thoroughly, and actually opened the [Following Fortune and Avoiding Misfortune] fate!

Everyone lives!

So Lu Jing began to accumulate fate, gain opportunities, and become stronger and stronger.

【Pursuing good luck and avoiding bad luck】: The fiery gold life style, predicting and balancing good and bad luck, doing good things and doing bad things, all have something to gain.

[Human Immortal]: Emperor Ziming, reborn from a drop of blood, immortal and immortal!

[Pose of the Great Emperor]: Emperor Zi’s life style, any cultivation technique can be comprehended at a glance, and any supernatural powers can be discerned at a glance.

[Wrath of a Human]: With a bright yellow life, within seven steps of the enemy, the vitality in the body is greatly improved, and the physical strength is greatly improved.

[Cultivation Wizards]: Ming Huang’s destiny, the speed of martial arts and primordial spirits has been greatly improved.

【Beautiful man】: Orange life, the longer the more beautiful.

This year, there was a drinker in the north who sealed the demon, and it shook the world for 30 years; in the south, there was an old dragon who fell into the mortal world, hoping to reach the gate of heaven again.

This year, Taoists on Taoshan cultivated Buddha all day long; the rebels of Leiyin Temple held a Zen staff and knocked out a town of Ping Ping.

This year, the Master has already entered the gate of heaven, and he has been cultivating literature for forty-eight years in heaven, and his knowledge is not in the world.

It was also this year that Lu Jing became a son-in-law and was worrying about how to cultivate martial arts, refine his soul, and accumulate life skills to survive this cold winter this year.

- Description from novelbuddy