"Open when. These are perfect for military deployments or long distance relationships, etc. I grabbed 10 envelopes and put hand written letters in each of them, some with little treats. I also made an envelope for just pictures!
Woman Has Perfect Way To Keep A Long-Distance Relationship Going Strong (Photos)
Long distance romance is both common enough and accepted enough that there are no end to the tip-guides out there for it. While the stigma that LDR are doomed to fail still exists, it may not be the most prominent idea (critique).
Printable "Open When" Envelope Labels for Long Distance Relationships (We Lived Happily Ever After)