That's exactly what you want to do when you face a break up!
Make sure that this challenge does not negatively impact on the other areas of your life.
You must avoid this snow ball effect and make sure that you defend with passion all aspects of your existence including health, career, social life, emotional balance, etc.
If you do that, you reduce the breakup challenge to its real size and don't let negative mind sets spread.
This is damage control.
It's YOUR life! FIGHT!