Okay.
You'll see this at the bottom:
0 gotchi points 0/10 items logout
You press logout.
When you press logout it'll say do you wanna logout?
You press yes
Then it'll say logout password
You press A on your tamagotchi then it'll say logout password
then you type it on your tama.
then it'll say Did you enter your LOGOUT password correctly?
If you did press yes if your unsure just cheak again.
Then it'll say wat you bought in tamatown and the password. Write the password down.
Then it'll say Do you REALLY wanna logout?
If you do press yes.
Then at last your tama is back!