I think some good advice is that if you're interested in foreign languages, go ahead and get into them! I say that for two reasons: firstly, you seem to have a good command of English anyhow, so if you want to start a new language - there's no time like the present! Secondly, and speaking from personal experience, learning a second language greatly strengthens your command of your native language. For example, I had years of grammar lessons in junior high, but it wasn't until I went to Slovakia in my senior year of HS that I actually understood what direct and indirect objects were. I'll never forget them now because in order to learn Slovak, you have to make that distinction, because every single noun changes its ending based on knowing what direct/indirect objects are. My English grammar has never been stronger thanks to studying Slovak, Spanish, German and Mandarin. As you learn the way thoughts are formed into sentences in other languages, it forces you to reflect on the way you use your own language. That is true of all aspects: verb tenses, clauses, word order, right down to simply choosing which word is most appropriate in context.
You'll also develop interest and excitement in your own language. As you learn Romance languages, you'll see just how many related words exist in English thanks to the influence of the Norman French. As you learn a Germanic language, you'll appreciate English from the another viewpoint, recognizing the similarities between the Anglo-Saxon words in English and the words and formations from German, Dutch, etc. As you learn Asian languages, your eyes will open to new ways of expressing the same thought, but in a way you never really thought about, and be surprised by the similarities that all languages have between them.
So go ahead and jump right in! Learning a new language and using it to communicate with speakers of that language is one of the most rewarding learning experiences you can have. Have fun! And by the way, I'm not at all trying to be snarky here, but do you know the difference between 'then' and 'than?' It could have been a typo in your text, but it's a mistake I see very often online. If you don't - start with that one! Either way, the difference between those words and many more becomes obvious when you learn a foreign language :)
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