Olivia cancer patient birthday cards Credit: Emily Enderle

Olivia Enderle is up to a whopping 6,000 birthday cards — and the mail keeps coming.
Two weeks before the Michigan girl celebrated her eighth birthday on March 26, her mother, Emily Enderle, posted a plea on Facebook asking friends, family and strangers to send cards to Olivia, who was diagnosed with stage 4 neuroblastoma when she was 13 months old.
Much to her surprise, the mail started pouring in.
“We are very amazed by the response from this. It has been such an amazing output of love and generosity,” Emily told ABC 7. 
Hundreds of cards and packages from all over the world (even Japan and Italy!) arrive daily. Some are homemade, some are silly, but each and every card means the world to Olivia.
“The mail I think helped make her feel loved,” Emily told ABC7.
Olivia’s most cherished cards are the silly ones.
“Her favorite card so far is a fuzzy one that makes noises and a couple …
READ MORE ON PEOPLE.COM