The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

The first days of marriage
are often so BLISSFUL.
Game of Thrones Season 5, Episode 3

...I will be enjoying a BLISSFUL evening
in my personal Fortress of Solitude.
The Big Bang Theory Season 2, Episode 21