TV shows. I watched so much TV shows that when I first came to the United States, a taxi driver claimed that I had a "New York accent". Shows like Seinfeld are especially good, because they also help you get comfortable with american culture, which is an important part of communication.
It probably helps that I do rubber duck debugging[0] a lot :)
It probably helps that I do rubber duck debugging[0] a lot :)
[0]: https://rubberduckdebugging.com/