All "yes" except where indicated
Food
Can you eat/Do you like (if you don't know what it is, then "no") :
1) Sushi
2) Natto - absolutely love it!
3) Hijiki
4) Oden
5) Tofu
6) Umeboshi
7) Takuan
8) Fried fish
9) Whale - I will not eat this on principle, though I've not had a chance to try it
10) Miso soup
Etiquette
Do you :
1) remove your shoes before entering your own house Always!
2) slurp your ramen if I'm in an oriental restaurant or at home, yes
3) excuse yourself all the time even when you are not wrong - If I'm in Japan/am surrounded by Japanese, yes
4) bow (even slightly) when greeting or seeing someone off (in formal situations) - If the other person is Japanese, yes
5) bow when you talk on the phone - If I'm speaking in Japanese, yes
6) buy omiyage for your colleagues, friends or family when you go somewhere (even for a few days)
7) nod or make little sounds agreement showing that you are listenning to someone - If the other person is Japanese, yes.
8) avoid teling people directly what you think - no
9) avoid putting soap or foam in your bath
10) refrain from eating in the street or while standing/walking.
Cultural adaptation
Can you :
1) Sleep on a futon
2) bear Japanese TV programmes
3) ride a bicycle with an umbrella in one hand - actually have never ridden a bicycle!
4) sit in "seiza" Yes, but it's very uncomfortable...
Do you :
5) like J-pop I don't know enough about this to have an opinion
6) like kabuki
7) read manga I'm a big Shogakukan shoujo/women's manga fan.
8) like sumo
9) like everything that is cute definitely yes!
10) like "onsen" (hot spring) I've never gone but would love to!