5. Take Note Of Important Dates
Make a list of all the important dates such as his birthday, your marriage anniversary, or the anniversary of the day when you first met him, the anniversary of your first candle lit dinner or even your first kiss, etc.
And on these particular days, wish him to show that these dates are indeed important for you and you can never forget the dates.
You may also want to block out the nights of these special dates to spend some time with him and relive your romance where the both of you can go out for dinner, or cook a special meal together, etc.