People who areIn Japan, people with blood type B are often said to have a selfish personality in Japanies. In Japan, people with blood type B are often said to have selfish personalities.

I changed “People who are type B” to “people with blood type B” because it sounds more natural and typical in English. Also, I added “In Japan” at the beginning to make it clear this belief is specific to Japanese culture. Instead of “a selfish personality,” I used “selfish personalities” since it refers to a group, not just one person.

I hope Ithat doesn't apply to me. I hope that doesn't apply to me.

I hope I don'tthat’s not true for me. I hope that’s not true for me.

I changed this to “I hope that’s not true for me” because it sounds more conversational and clear. It also avoids confusion by explicitly referring back to the previous statement.

Are there anysimilar personality assessments byased on blood type in other countries? Are there similar personality assessments based on blood type in other countries?

I rephrased this to “Are there similar personality assessments based on blood type in other countries?” to make it smoother and easier to understand. “Similar” connects it directly to the Japanese belief mentioned earlier, and “based on blood type” is a more natural phrase.