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.
Are you looking to ask a professor for a letter of recommendation soon? Never fear because here's a step-by-step process on how to ask for and obtain one. This is great advice for college students! And you can even do this while you're studying abroad.