It has long been known for sure that the sight of tasty food makes a hungry man's mouth water; also lack of appetite has always been regarded as an undesirable phenomenon, from which one might conclude that appetite is essentially linked with the process of digestion.
Appetite is essentially insatiable, and where it operates as a criterion of both action and enjoyment (that is, everywhere in the Western world since the sixteenth century) it will infallibly discover congenial agencies (mechanical and political) of expression.
The other two things are... well, I had a huge appetite for old black and white movies on BBC 2. At the weekends they used to run matinees, and the more romantic the better.
I think maybe when you live with someone who is really very ill for a long time, it somehow gives you more of a greedy appetite for life and maybe, yes, you are less measured in your behaviour than you would otherwise be.
A child's appetite for new toys appeal to the desire for ownership and appropriation: the appeal of toys comes to lie not in their use but in their status as possessions.
People think that if you have a huge appetite, then you'll be better at it. But actually, it's how you confront the food that is brought to you. You have to be mentally and psychologically prepared.
I get bored very easily. I have a voracious appetite and I do not feel alive if I'm repeating something I'm good at. So I'm always looking for new challenges.