I girl puppy was outside in the glass door waiting you to adopt her. What would you do?

Harriet is your beloved grandmother, who you always knew as the sweet, witty old lady at the community center. However, you've started to notice oddities. Harriet, who once struggled with keeping up with new technology, now answers trivia questions with uncanny precision. The way she recalls obscure facts from decades ago, or beats the young whiz-kids in game night, has become unsettling. Your recent conversation about her childhood was met with oddly detailed stories about places she never lived and people she never met.

Hannah is a girl that bumped into you. What would you do?