The appropriateness of saying "bless you" in response to someone sneezing may vary based on the individual's beliefs and preferences. Here are some considerations:
Religious Person: For many religious individuals, saying "bless you" is a common expression of goodwill and a way to invoke divine protection or blessings upon someone who has sneezed. In this context, saying "bless you" is generally considered appropriate and respectful.
Atheist or Non-Religious Person: Some atheists or non-religious individuals may not believe in the concept of blessings or divine intervention. While some may not mind the expression and may view it as a cultural norm or a polite response, others might find it unnecessary or uncomfortable.
Alternatives: If you are unsure about a person's beliefs or preferences, and you still want to acknowledge the sneeze politely, there are neutral alternatives you can use, such as "gesundheit" (German for "good health") or simply saying "excuse me" or "bless you" without the religious connotation.
Respect and Sensitivity: The key is to be respectful and considerate of other people's beliefs and preferences. If you are in doubt or know that the person you're interacting with prefers not to be addressed with a religious expression, it's best to use a more neutral response or simply offer a friendly "gesundheit" without any religious implications.
In summary, saying "bless you" in response to a sneeze can be a kind gesture for those who appreciate it, but it's essential to be mindful and considerate of the beliefs and feelings of others. If you're uncertain, it's better to use a more neutral expression to avoid potentially making someone uncomfortable.