Answer:
You seek me out when your hunger's ripe. I sit on four legs and smoke a pipe.
If you lose me you may cause people around you to lose me too.
I always run but never walk often murmur but never talk have a bed but never sleep has a mouth but never eat.
What five-letter word becomes shorter when you add two letters to it?
I had a bright start but I couldn't take the pressure. I consume everything yet I don't eat anything.
The answer I give is yes, but what I mean is no. What was the question?