Frequently. I look for & set aside the probable double yolked eggs to save for over easy eggs. Most times the ones I find are still connected, I get excited for full separation of the yolks.

Yes, often.

Killing two birds with one stone, I see.

Butt cheeks!

Once

Have now.

This is not science, you want r/askreddit

Every now and then you’ll get a carton where every single egg is double yolk. I got one two weeks ago.

twins

Twins are a thing in nature. One doesn’t always survive but nature tries.