I don't like egg yolk. If someone gives me egg yolk, I must think you are very good.

Hello, this sentence means that he doesn't like egg yolk. If someone can help him eat, he will be happy.

The yolk is the yellow part of the egg.

The protein of an egg is concentrated in the egg white and the egg membrane, and the other nutrients are concentrated in the yolk. Egg yolk is rich in fat-soluble vitamins, monounsaturated fatty acids, phosphorus, iron and other trace elements.

I hope my answer can help you, thank you, and I wish you a happy life.