Believing...all shall end well

Why is it that a trip to tibet always hold so much apprehension and stress for me prior to departure? i was supposed to have left for Chengdu yesterday night and off to Lhasa tomorrow morning but due to the delay of the processing of the Tibet Travel Permit and only a last minute notification from the travel agent in Tibet, we have to postpone our trip, incurring rebooking charges .
Now, more doubts surface as we read the terms of the sample contract the agent finally emailed us , one which we we would most probably sign on arrival in Lhasa. Thoughts of cancellation and rerouting our whole vacation had been on our minds for the last few days ever since the agent told us about the delay of processing the TTP,. Somehow, we are becoming more and more doubtful of the trustworthiness of this agent which had appeared to be so considerate, reasonable and efficient at our initial correspondences.
The good thing about this so far is that we had not paid any deposit so we are free to to cancel our trip, incurring only flight cancellation charges.

....apprehension
....doubts
....should we be kaisu & kiasee ,what's happened to the backpacker spirit?
.....should we be insistent on our stand about the contract or just close our eyes believing that all shall be well
...should we harbour so much doubts and stress or just relax and trust the agent?
...should we cancel the trip or just do it?

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Believing......that all shall end well, as it always has been.