Reasons why Mike couldn't fire Carrie
10. His life will be even more complicated
9. If Carrie tells Austin what Mike did Austin will probably kick some Horton butt
8. Craig will find some way to munipulate this
7. A lot of people will be mad at him
6. He may not have a chance with her now
5. Ali is going to cling to him even more now
4. It'll turn her against him for the most part
3. He's making her cry and she's upset (how can he live with himself after that...)
2. He can't bear to be away from her forever
And the #1 reason he can't fire her is..
Mike loves Carrie