You don’t need to be in the mood to have sexual intimacy. You can create the mood and that is what foreplay actually is.
Having sex with your spouse and being intimate is a decision and a choice you make for the good of your marriage. It’s not supposed to be based on your feelings or mood only.
Love is a decision to serve each other and do what is beneficial for your marriage whether in bed or out of bed. Intimacy must be intentional