Video about how they manipulate chicken feed to reduce egg production.
https://www.youtube.com/watch?v=a58Ld8KNmvU&ab_channel=NeilMcCoy-Ward
This is pretty interesting to read from Bosnian survivalist about what it looks like when SHTF.
https://powersfirearmstraining.com/resources/Words%20from%20a%20Bosnian%20Survivalist.pdf
And on the topic of marriage, I have said before, the primary purpose of sex is to make babies. Yes, sex feels great. That is because your body wants to create a baby. When you short circuit that primary purpose in favor of hedonistic pleasure, you will discover that like all other hedonistic pursuits, you will be left empty if you try to skirt around the primary purpose of sex.
Why do you think sluts are so unhappy? No, being happy in the moment does not count as actually being happy.
What is the primary purpose of marriage? To start a family. If your idea of marriage is that it is solely for those butterfly feelings or so that you can have the wedding celebration, you are more likely to have the marriage fail.
Yes, you need love to make a marriage work too. But that love is not in the form of shallow attraction that many mistake for love. The kind of love you need is the "this person will stick it out with me even when we can barely get any sleep due to a crying baby".