your belly will expand most likely because you have gas in it so you are bloating.
they dont
Dont ask me NO
you die
dont burp
i dont no
yes if you dont burp you will be disrespected from that family or group of people
You burp.
burp
They fart
You burp bubbles
Yes it happens to me alot
rats can burp but they dont like to because it hurts them because they are so small but they usually fart