As we get older, we change. Our outlook on life can become less rosy. Our job may not offer the same prospects anymore. We feel that life has passed us by. Our marriage has become routine, something's missing we don't do anything rashly, on impulse anymore. And when was the last time you bought your partner a present that wasn't iron or a saucepan, and when did you last prepare a special meal as a precursor to a night of passion?

The fact is we change