If you are in long game how do you keep the same energy?

If you know you are being gas lit, you know she is over spending, you know there will be no sex, you know that there is no attraction. The only problem is that when she starts to act nice but she is not, she doe not care if you are happy I know she does not. How do I keep focused on escape w/o giving it away or being fooled by this fake ass motherless SEE U NEXT TUESDAY.