Co-worker stealing sale
Improve your own performance. Manage the relationships with your customers better. Get to work on that client of yours and show her that you are a person of the highest integrity. Let her choose who she wants to deal with. Don’t leave your sale to chance. Let your co-worker know that you are aware of the stolen sale. Get even, when it makes sense. Prevent it from happening again. Don't hate the player, hate the game (sales contest).