3 playthroughs are required to unlock everything.
When SAVE appears, make a save file.
When LOAD appears, load that save file.

There is much more content to discover, and I would recommend playing through other choices not listed here.
It's up to you to decide how to treat wife.

Go Sleep With Wife

Turn Around And Kiss Her

Just Go Home

Stay Up Longer

Sure, Why Not? (Good Spouse)

I'm Scared

I Like The Author (The Author)

Isn't This A Rip-Off (Rip-Off?)

Shut Down Computer (Shut Down)

I Want You To Be Happy

SAVE 1

Yes - (Best End)

LOAD 1

No/I'm Sorry - (Neutral End)

Question How I Got Married In The First Place

Reject Her Hug

Don't Come Home

Definitely (Stay Out)

SAVE 2

Apologize To Wife (Make Up)

LOAD 2

Yes, I Have

Go For A Walk

Can't I Just Go Back To Bed? (Bad Spouse)

I'm Fine

I'll Never Get Married

Isn't This A Rip-Off?

Of Course I Am

Oh, Absolutely (Hatred)

Actually I am (Worst End)

Stay Up Later

Accept Her Hug

Just Go Home

Join Her In Bed

I've Got Nothing Better To Do (Neutral Spouse)

Thanks for viewing this guide!
I would love to know what you thought about the game or this guide, comment below.
For my other guides, they are here:
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=2880052179