Satisfaction

What does one really mean when he/she says "I want to be satisfied in life", "Satisfaction is missing", "I want to live in a world of satisfaction" and blah blah blah.. ?
What does 'satisfaction in life' really mean?
Does it mean that all your wish have been fulfilled and there is nothing left?
How long can such a satisfied human live?
Should I keep asking myself if i m satisfied?
Is it good (materialistically/spiritually) to be satisfied?
Does lack of wishes imply lack of emotions too?
Can we call 'emotionless-people' human?
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