Answer:
It doesn't live within a house, nor does it live without. Most will use it when they come in, and again when they go out.
Do what he says and you'll be fine, don't and you lose the game.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.
I am a good state, there can be no doubt of itΝΎ But those who are in, entirely are out of it.
They make no sense at all, In them you either fly or fall. They make you do it all. Their need is biologic, but they are most illogic. They are not real but still can be achieved, If they are just believed
I start with T end with T and within me is T.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?