I love Winter Wolves' games, and I always wanted to write a guide for one. Of course Winter Wolves has very kindly provided their own guide to this game, but I wanted to create something more detailed (for any perfectionists still struggling to get the exact endings they want).
I recommend playing through a few times without a guide, making whatever choices you want, and see what you get. This is my first guide, so if you see any errors, or need extra help, do let me know.
This guide assumes you are playing on normal difficulty.

Each route has four potential endings, plus two special epilogues (one for both happy endings, one for both sad endings). They also possess a 'neutral' (rather sad) ending if you fail to reach 100% relationship with your chosen husband.

In order to get a specific ending (and the relevant achievement) you will need to make the right choices, the ones listed below will get you the ending you're trying for, though other combinations may also work.

In order to get the special epilogues you need 100 points in the relevant stat (so romance for Aaron, culture for Lawrence etc....), as mentioned above, each route has two special epilogues, one for the happy endings, one for the sad endings. To be clear, you will get both the regular happy/sad ending, AND the special epilogue if you fullfilled the requirements. So for example: You get Aaron's relationship to 100%, make the right choices to trigger his 'red roses' ending, AND get your romance stat to 100, you will first get the 'red roses' ending, THEN it will transition to the special epilogue for Aaron's happy endings.

Neutral endings happen if you failed to get your husband's relationship to 100%. There aren't any achievements for these endings, but if you want to get them, make whatever choices you want, and ignore your weekly goals. Maybe spend all week doing yoga and getting an early night so as to not raise your stats (and potentially meet a goal).

From week 2 onwards you will get 'goals' to increase certain stats, these will be the stats that are not your husband's primary stats (so if married to Aaron, you will have goals to increase diligence, creativity or culture, or for harder goals, all three).
If you succeed in your goals you will increase your relationship with your husband, once at 100% it doesn't seem to go down, so after this you can ignore goals and focus on increasing your husband's primary stat.

With the exception of Hugh's route, each man's good endings share a common path (as do the bad endings), the results will depend on your choice during the final scene. In Hugh's case his endings (particularly his sad endings) vary more, so do not have a common route.

If your energy and/or social drop too far, your next goal will be to raise them (with a lower increase in % relationship than regular goals). However they do not affect how much your stats increase, so once you have relationship at 100% (or if you don't care about raising it), then you can ignore social and energy if you need to focus on getting your primary stat up.

Stat - Romance

Good ending - Common Path

General tips: Romantic ideas never work out right, so don't be afraid to do something else. Be supportive and not secretive. Don't be afraid to stick up for yourself.

Scene 1 - Choice 2
Scene 2 - Choice 2
Scene 3 - Choice 1
Scene 4 - Choice 1
Scene 5 - Choice 2
Scene 6 - Choice 2
Scene 7 - Choice 1
Scene 8 - Choice 1
Scene 9 - Choice 1

Good ending 1 - Final scene - Choice 2

Good ending 2 - Final scene - Choice 1


Sad ending - Common Path

General tips: Agree to Aaron's romantic ideas. Be secretive about Abigail, and don't keep the peace with Aaron and his father.

Scene 1 - Choice 1
Scene 2 - Choice 1
Scene 3 - Choice 2
Scene 4 - Choice 2
Scene 5 - Choice 1
Scene 6 - Choice 1
Scene 7 - Choice 2
Scene 8 - Choice 2
Scene 9 - Choice 2

Sad ending 1 - Final Scene - Choice 1

Sad ending 2 - Final Scene - Choice 2

Flowchart of endings/epilogue requirments:

Stat - Diligence

Good ending - Common Path

General tips: Trust Eddy, be honest with him, don't confide in your friends.

Scene 1 - Choice 1
Scene 2 - Choice 1
Scene 3 - Choice 1
Scene 4 - Choice 2
Scene 5 - Choice 2
Scene 6 - Choice 1
Scene 7 - Choice 1
Scene 8 - Choice 1
Scene 9 - Choice 1

Good ending 1 - Final scene - Choice 1

Good ending 2 - Final scene - Choice 2


Sad ending - Common Path

General tips: Be suspicious of Eddy, confide in your friends, do not be honest or open about your concerns.

Scene 1 - Choice 2
Scene 2 - Choice 2
Scene 3 - Choice 2
Scene 4 - Choice 1
Scene 5 - Choice 1
Scene 6 - Choice 2
Scene 7 - Choice 2
Scene 8 - Choice 2
Scene 9 - Choice 2

Sad ending 1 - Final Scene - Choice 1

Sad ending 2 - Final Scene - Choice 2

Flowchart for ending/epilogue requirements:

Stat - Creativity

Good ending 1 - Work to harmonise and strengthen your relationship with Hugh, be honest and kind. React negatively to interactions with Luis.

Scene 1 - Choice 1
Scene 2 - Choice 2
Scene 3 - Choice 2
Scene 4 - Choice 2
Scene 5 - Choice 2
Scene 6 - Choice 1
Scene 7 - Choice 1
Scene 8 - Choice 2
Scene 9 - Choice 2
Final scene - Choice 1

Good ending 2 - Work towards making Hugh realise he's taking you for granted (both personally and professionally), but don't antagonise him, work towards strengthening the relationship, and react negatively to Luis.

Scene 1 - Choice 1
Scene 2 - Choice 2
Scene 3 - Choice 2
Scene 4 - Choice 1
Scene 5 - Choice 2
Scene 6 - Choice 1
Scene 7 - Choice 2
Scene 8 - Choice 1
Scene 9 - Choice 2
Final scene - Choice 1


Sad ending 1

General tips: Respond negatively to all your interactions with Luis, while becoming distant with Hugh.

Scene 1 - Choice 1
Scene 2 - Choice 1
Scene 3 - Choice 2
Scene 4 - Choice 1
Scene 5 - Choice 2
Scene 6 - Choice 2
Scene 7 - Choice 2
Scene 8 - Choice 1
Scene 9 - Choice 2
Final Scene - Choice 2


Sad ending 2

General tips: Respond positively to all your interactions with Luis while not being as close to Hugh.

Scene 1 - Choice 2
Scene 2 - Choice 2
Scene 3 - Choice 1
Scene 4 - Choice 1
Scene 5 - Choice 1
Scene 6 - Choice 2
Scene 7 - Choice 2
Scene 8 - Choice 1
Scene 9 - Choice 1
Final Scene - Choice 2

Flowchart of ending/epilogue requirments:

Stat - Culture

General advice:

Be patient with Lawrence and his mother (but do not confide in her), be honest with him and not too pushy (but a little is fine).

Good ending - Common Path

Scene 1 - Choice 2
Scene 2 - Choice 2
Scene 3 - Choice 1
Scene 4 - Choice 2
Scene 5 - Choice 1
Scene 6 - Choice 1
Scene 7 - Choice 2
Scene 8 - Choice 2
Scene 9 - Choice 2

Good ending 1 - Final scene - Choice 2

Good ending 2 - Final scene - Choice 1


Sad ending - Common Path

Scene 1 - Choice 1
Scene 2 - Choice 1
Scene 3 - Choice 2
Scene 4 - Choice 1
Scene 5 - Choice 2
Scene 6 - Choice 2
Scene 7 - Choice 1
Scene 8 - Choice 1
Scene 9 - Choice 1

Sad ending 1 - Final Scene - Choice 1

Sad ending 2 - Final Scene - Choice 2

Flowchart of ending/epilogue requirements:

That should have you all the endings (and associated achievements). If you're still having problems, please let me know, I hope you enjoyed the game as much as I have.

(Special thanks to Winter Wolves for creating the game, and for their own game guide, which was very helpful when I first started playing).