Cooking by yourself is the most convenient way to cook noodles, mixed rice or fried rice. The amount of cooking can be small, and the key point is to be balanced, with both vegetables and meat. 1: 1 The topping of rice can be cooked a little more at a time. After one serving, the rest can be divided into several frozen portions, and can be directly taken out for heating next time.
For noodles, you can also use instant noodles, but in order to balance nutrition, you should add other ingredients (vegetables and meat), such as a few pieces of chicken and beef strips, and some vegetables. Even instant noodles can be cooked nutritious (don't soak, cook). But instant noodles are preserved, so it is better to cook them with real noodles if possible.
But if you cook by yourself, cooking for a long time will be boring, so if you can, leave one or two meals a week to eat out. Other people's cooking is always better than their own, haha!
As for what to cook, you can search online for recipes, noodles, mixed rice or fried rice. The United States has a name for this kind of rice with one dish for one person. Basically, it is "one dish and one meal", "one dish and one side" or "one dish and one cake".
For various reasons, I once cooked by myself for several years. I feel the same way about your confusion. Can only say, come on, find a friend to cook for two, it will be much better. Good luck .......