I suspect that when your ex realizes he no longer has a hold on you, either he will rethink his decision or he will let you go so that you can move on with your life and find someone who actually wants a long-term commitment with you.
If that new kitten you think you're in love with has a sign that is strongly incompatible with your established house cat, it might be better to rethink your decision before bringing the kitten home.
After all, giving him something that is too expensive, or too cheap, might result in hurt feelings; and giving one of the worst Christmas gifts ever might make him rethink your entire relationship.
Avoid areas where there is a lot of vibration: If you plan to place your wine rack in the laundry room, on top of the refrigerator or next to the garage door opener, you may want to rethink that.
You can also use the tool to search your site and come up with the keywords that it thinks are relevant - and if none of those are very valuable to AdWords, you may want to rethink your content.