There's a difference between "cramming" and "cementing" something into your brain. Cramming puts as much of the information into your head and is forgottenn once it has achieved a short-term goal. Think of people who cram for a test. Cementing is something that is done on a more long-term level. You may do a little or a lot over a certain period of time and that information can be recalled days, weeks, months, or even years later.
When it comes to your target language, we will not cram the language in our heads, hoping to become fluent in a matter of months like some of these content creators who are selling a course may say. No, we want to develop daily habits that expose us to the language on such a high level, but it doesn't exhaust us. For example, if you change your device and apps settings to your target language, you're exposing yourself to the language on a daily basis, but it's a little bit over a long period of time. Being that you check your phone every single day, you're gonna know how to navigate your phone in your target language. I learned this trick from a YouTube channel called Bilingüe Blogs.
Another daily activity I like to engage in is reading. Assuming you know the letter or character sounds in your target language, you get exposure to the language on a higher level than speaking and listening. How? Think of your brain as a sponge and the language as water. A dry sponge doesn't absorb water better than a damp sponge. Reading is like getting your "sponge" nice and damp so you can fill your sponge with water.
Let me elaborate on this. When you listen to your target language spoken by native speakers, the language will sound like a machine gun. You won't know where one word ends and the next one begins. You can't translate in your head because your brain doesn't work fast enough. When you read, you learn grammar, word order, idioms, and certain colloquial phrases. On top of this, you boost your vocabulary. Over time, your brain will pick up more of the language because your vocabulary is higher.
Audio books are some of the best tools for language learning because you can't use visual aides to give you context clues on what the stories are about. You have to rely on your knowledge of the language. The faster and more slurred the person's speech is, the more difficult it may be to follow the story. However, you still need to listen to different types of speakers because not everyone you speak to will sound like an articulate language teacher.
Daily exposure to your target language on a number of mediums (audio, image, writing, reading, etc) activates multiple parts of your brain, making your brain treat your target language as a part of your primary language. It will reach a point where your target language will be at or close to your level in English. How? Because you gave yourself enough time for the language "cement" to "cure" in your brain.