Answer:
My teeth help me suck.
I belong to everyone. Sometimes make you happy sometimes make you sad. I will never end until the day you do.
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word.
Which word is the odd one out: first second third fourth fifth sixth seventh eighth?
I am taken from a mine and shut in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?
A little house full of meat, no door to go in and eat.