Look on the left hand side where the monster's happiness, health, and mood are. Above the mood it says "view profile". Click on "view profile" and you can change the feelings there.
If you are asking about your Moshi Monster's mood, there are several things you can do to change its mood:
Be sure to visit your monster every day.
Tickle your monster.
Play games, puzzles, and do the Daily Challenge every day.
Feed your monster. Try to figure out your monster's favorite foods.
You can not change your Moshi Monsters username.
You can not change the color of the Volcano on Moshi Monsters.
You can not change your monster's name on Moshi Monsters.
You can not change your monster to a different one on Moshi Monsters.
You can not change your color on Moshi Monsters if you are a free Basic member. ONLY paid members can change their colors on Moshi Monsters.
A Moshi is what the monsters are called: "Moshi Monsters". You can not catch a Moshi Monster, you adopt a Moshi Monster when you start your Moshi Monsters account. Choose carefully as you can not change your Moshi Monster once you have verified the account.
Once you join Moshi Monsters and put a name in, you are unable to change it.
No, you will not lose your rooms if you change the style of your Moshi Monsters house.
Moshi Monsters only speak Moshi. There is no way to change their language.
You can not.
You can not.
you can't after you chose it or if you are just starting I think you can click the other button.