Chemical Engineering in Daily Life – Question 42: Can you take a bath? Especially taking a shower in winter?

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It is only in recent years that people in this country have developed the habit of taking a bath every day. We Chinese like to take baths before going to bed at night, while foreigners take baths before going to work in the morning. The Chinese reason: Going to bed without taking a bath – how dirty is that? ； The foreigner’s reason (my own guess): They don’t take a shower before going to work, so their bodies smell bad (a local expression from TJ city; it means \"how bad the smell is!\") ). I don’t know if foreigners take baths at night, but they definitely wash their blankets and sheets every week. Chinese people say it’s so dirty not to take a shower after going to bed, but if you only wash the sheets and blankets every half month or month, don’t you find your bed dirty? Some people are reluctant to take baths because they didn’t develop this habit from a young age* (Do Chinese people only start doing it when they have some money?) ), some people just dislike the cold, especially in winter ； And some people do it to save money, fearing high electricity (or gas) costs. Is that really the case? Is your reason for not taking a bath the fear of getting cold? Please feel free to share your thoughts – how can one take baths without feeling cold while also saving money? A few days later, I provided the standard answer from a chemical engineering perspective.