1. Storing weapons in your closet, owning a sword, and/or taking martial arts classes
2. Playing Dynasty Warrios WAY too much
3. Wearing shirts with random Chinese symbols
4. Can be dangerous when they think they know what they're doing with the weapons
The Winese may also express interest in Japanese culture similar to the way the Wapanese do. They claim to know how to use chopsticks and deny that sushi is horrible in taste. They also will correct your pronounciation of Chinese names and/or things, although their pronounciation changes every time.
Innocent Person: "Lu-eo Bay?"
Winese: "No, Lew-a-ho Bwey."