This picture of a baby gorilla named Yakini is from 1999, but it’s been going around again, because the internet’s love is eternal. At least, the internet’s love for a baby gorilla going “hoo DOGGIE that stethoscope is cold!”

Yakini sure was precious back then:

Photo by David Caird.

Grist thanks its sponsors. Become one.

But lest you forget that all things must grow and age and all baby gorillas must inevitably become adult gorillas, here’s Yakini’s 12th birthday:

Photo by David Caird.

I’m sorry I laughed at you when you thought a stethoscope was too cold! I will never do it again.