Anything that can go wrong will go wrong. If everything seems to be going well, you have obviously overlooked something. To spot the expert, pick the one who predicts the job will take the longest and cost the most.
Nothing improves with age.
If it seems too good to be true, it probably is. Sex takes up the least amount of time and causes the most amount of trouble. Money can't buy love, but is sure gets you a great bargaining position. All the good ones are taken. Sex discriminates against the shy and the ugly.