生活の一部ですって英語でなんて言うの？

Second nature is when someone is done naturally. It is organic. Meaning, you can do it with no effort. I would like to speak Japanese as if it is second nature. That would mean like a native.

Language "immersion" means speaking and interacting with a language as much as possible so that you hear and speak it frequently everyday. Sometimes, the easiest way to immerse yourself in a language is to live in a foreign country where you are forced to speak the language. Also, having a partner or spouse who speaks the language natively can help you to immerse yourself in the language at home.

Learning English is an important part of my life- When something is an important part of ones life it means it is irreplaceable. Learning English is a big deal to me- When something is a big deal it can mean that it is very important to someone. It means a lot, it isn't a small deal. It is important.

The adverb 'so' used in the first statement means 'to a great extent' in this context and the adverb 'well' means 'in a good way' in this context. Therefore you are actually saying, you want to learn English to a great extent in the best way possible such that it becomes part of your life. So, you may say: I want to learn English so well that it becomes part of my life. or I speak English so much that it has become part of my life.

"I hope to include English in my life from now on." says that you want the English language to be included in your life.

There are three key points to this statement which are all contained in the example sentence above.

English is a part of who I am: means that it encompasses a part of your personality and life. English is a huge part of my life: means that the person would understand that English is important in your life. I want English to be my second nature: means that you want it to be a native language just as your first language is.