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.
I never trusted the feeling of butterflies in the pit of your stomach because that feeling could be confused with diarrhea and if you are feeling a whole zoo, I suggest you find a hospital (or at least a toilet) immediately
So true xoxo - Real life. A reporter asked an old couple. "How did you manage to stay together for 65 years?" The woman replied. "We were born in a time when if something was broken, we would FIX it, not throw it away.