Note1: If you have things you want to say but don’t know how to write it in Japanese, just try to write some parts (eve just some words) and ask me how to write the rest! I can teach you or provide some hints.
Note2: This thread is meant to be beginner-friendly. Staff will try to use easy kanji and expressions, but sometimes you may come across kanji you don’t know. To quickly look up the kanji reading and meaning, we recommend you to use a furigana extension such asRikai-kun. The browser extension will let you hover over the words and teach you the reading and meaning.
そうめん、私もあつい日によく食べます。「ダイエット」は、よくやせようとすることを言います。「食生活」という言葉をつかってください。By the way, do you mean it’s very hot where you live in the US so you have to change your diet? If so, you should say アメリカに住んでいてこちらの夏は暑苦しいので食生活を変えないとと思います。
Note1: If you have things you want to say but don’t know how to write it in Japanese, just try to write some parts (eve just some words) and ask me how to write the rest! I can teach you or provide some hints.
毎日たべものが食べます。 
私はバニラか、いちごのアイスが好きです。