How is your sex life. Are you getting enough sex. Given your schedule/life/etc what would be a reasonable number of times you would like to have sex a week.
Are you sexually compatible with your mate. That is do you want it a similar amount. Do you get what your desire. Is your spouse adventuresome enough or do they want stuff you find objectionable or just unwilling to do. Are you free to express your desires or fantasies
Is sex a source of strength in your relationship or is it a source of friction.
How long have you been together and roughly how old are you 20-30, 30-40 etc