FOODS THAT RAISE SKILL POINTS
These foods raise intelligence by one:
Beef
Ice-cream
These foods raise intelligence by two:
Omelette
These foods raise intelligence by three:
Fish
These foods raise fashion by one:
Cherry
Cheesecake
These foods raise fashion by two:
Cupcake
These foods...
You can also use honey to make it fall in love with a friend's Tamagotchi. Codes for honey are here: https://www.tamatalk.com/IB/index.php?showtopic=86623
Debugging is where you unlock the testing form of the Tamagotchi through an external place on the chip. Instructions are here: https://www.pixelmood.com/tamagotchi_connection_debugging.htm
You have to prove to them that you know enough about rabbits, too. Be able to tell them what the rabbit eats, how to clean it, etc.
I have a bunny. She's a lot of work, but I love her. She's worth it.