Experience

Is it necessarily a good thing to be experienced? Do we have better more fruitful lives thanks to all that we learn from existing on the planet. Yes, every passing birthday is a reminder of the years you have spent and of hopefully all the wisdom that you have gained. But is it all useful and good.
Are past experiences and learnings useful? Don't they sometimes inhibit one from doing what one wanted? Do they leave one slightly more cynical and maybe mistrusting?
It is sometimes about making mistakes and learning from them, but then is this not sometimes a sort of a paranoia mixed with a sense of dejavu which causes a passes sense of fear and then also mistrust? Experience taught you how to prevent hurt, and how to save and protect yourselves from people and situations. But did it not leave a bitter lasting after taste in your mouth, which comes out in the future?
Its is not possible not to come across troubles and situations as life moves. But what I am arguing is the past is sometimes a good teacher, and yes hind sight is the clearest of all and all that. But sometimes we have to un-learn what we have learnt, in order to be fair. It is not quite as bad a judging a book (person/situation) by its cover, more like saying..yes the cover revealed a bad book last time, but I shall try my luck at this one because it might be better.
In and ideal world its possible to take what you want away with you from an experience and let the negativity be left behind. But in the real world sometimes you carry that negativity as a talisman to save you in other such similar situations, should they occur in the future. It is not possible to get rid of experience and it is also not nice to become naive and innocent and trusting, and most times this switching back is not possible. Life moves in one direction only..forward. You can not halt it and often can not change what comes your way. Then it seems the only option is to store experiences in a backed up file in your mind and bring them out, only when really needed. Dont use them unless you are sure you want to go into the file, because it is like a Pandora's box..you might get a solution but you will also get problems and hope.
I guess what I am trying to say here is, its good to be old and wise, but its not good to be wise in all situations. Sometimes adventure and a clean sheet for a new beginning will teach one new lessons. It is up to an individual to push away a nagging thought (specially if its negative) which arises out of experience and be optimistic and looking at something in a fresh manner.
Experience is over rated I think, its good to be smart, but it is not always good to have learned wisdom through tough situations. If you are smart enough to use what needs to be used from your experiences and shut away what you don't, you should be happy.