Reviewing performance during mating is just as important as afterwards. So is recording as much data as possible, regularly reviewing it and making timely decisions.
Record, record, record
Put that data in. The more information you enter in your recording system, the better decisions you and your advisers can make.
Not everyone is a data-junkie, for sure, but if data is entered as the season progresses, you can track progress and spot when things are starting to go wrong.
Monitor submission rate and non-return rate