That being said, sometimes it is normal that she doesn’t feel like having sex, because of stress, tiredness, period, sickness, fluctuating hormone levels, etc. It is an easy and practical alternative that should be rewarded obviously.
Just make sure she is not manipulating you or turning this into a recurring pattern, being the dominant you’re not going to sleep sexually frustrated without a good reason.
Take responsibility for your bad choice, learn from it, and move on with your life.
If she does not live with you, drop her at her place, and cut off all communication for a period of 2 to 7 days depending on the gravity of the transgression.
Like previously mentioned, it is your job to maintain discipline and the respect of the house rules. If she has a good overall behaviour, just express genuinely how beautiful she is when she does that or how proud you are to be with such a good woman who does this.
When she is good, flood her with love and compliments.
If she lives with you and she is the mother of your child, ignore her totally and keep yourself busy.
If you need to communicate with her for important reason like kids, go with a business tone and keep it short.