What do expats find most challenging?

"Expats in Bangalore often find the language barrier to be one of the most challenging aspects of the local culture. Additionally, the city's traffic and pollution can be overwhelming for those who are not used to it. Furthermore, the cultural norms and expectations can be difficult to navigate for those who are not familiar with them. Additionally, the cost of living in Bangalore can be high, making it difficult for expats to adjust to the local economy. Finally, the weather in Bangalore can be extreme, with hot summers and cold winters, making it difficult to adjust to the climate," mentioned another expat when asked about moving to Bangalore, India.