This is an incredibly sweet idea. "Open when you need to know how much I love you; open when you don't feel beautiful; open when you need a laugh; open when you miss me; open when you're mad at me; open when you need a date night, etc.
My Love, Just a moment ago, I thought about you and my heart was filled with gratitude. So before another moment goes by I want to say thank you. Thank you for the late night laughs and the early morning kisses.
Remember: Doing Nice Things for your family is just as good as for strangers. Leave a nice unexpected note for you kids or husband - A sweet loving message or a thank you or an encouragement. Any kind word is good.