私も英語の勉強を頑張ってます。 日本語の勉強、頑張ってくださいね！ 2. First sentence sounds like casual. But second one sounds politely. Just in case,seniors and juniors or making a joke. And "I'll satisfy you" doesn't make sence. I don't know the implication of English. If I want to say I'll cook that menu for you,I'd say like "そのメニューで作るね". Or the situation of eat out,I'd say "それが食べられるお店に行こう" means "Let's go to eat where we can eat those.

1は添削しましたが、状況がよく分かりませんでした。