Ab blood type dating
Quatre, Sailor Moon, Saito Hajime, Kamiya Kaoru, Tamahome People with blood type AB are hard to categorize. AB people are trustworthy and responsible, but can't handle it when too much is asked of them.
Type O, the most "average" blood type, is considered the best type in Japan.
O negative women are very headstrong and an O negative man balances them and completes them, while an AB for example might be easy to handle, but not set the premise for a long term fulfilling and exciting marriage.
Both O negative men and O negative women are doing best, when the person they are with "gets them" and they can act freely without having to explain themselves within a true connection where trust is a guarantee.
People with blood type A are also likely to be considered classic "type A's": stressed and conscientious. The Third Hokage, Haruno Sakura, Hotohori, Heero Yui, Keiko (Kayko) Yukimura People with blood type B are the most practical of the blood groups. When they start a project, they spend extra time understanding and trying to follow directions than others might.
When they are doing something, all of their attention is focused on it.