Parents·Updated on Aug 22, 2020. Posted on Dec 7, 201417 Milestones You Won't Find In The Baby BooksThere are first steps... and then there are these.by Mike SpohrBuzzFeed StaffFacebookPinterestTwitterMailLink 1. Climbs onto something ridiculously high. View this photo on Instagram instagram.com You'll be horrified, yet strangely impressed. 2. Writes on the wall. View this photo on Instagram instagram.com This is an expensive way to see how developed your kid's motor skills are. 3. Hides car keys. Flickr: melinnis / Via Creative Commons You'll never let your baby play with your keys again. 4. Pulls a carton of eggs off the counter. View this photo on Instagram instagram.com You'l be convinced your kid has Go-Go Gadget Arms. 5. Imprints on Elmo. Flickr: mnicolem / Via Creative Commons You'll find this adorable. At first. 6. Screams "Mine!" Flickr: semillama / Via Creative Commons This is the time to remind yourself your kid's social skills are still developing. 7. Breaks parent's glasses. Flickr: quinnanya / Via Creative Commons For parents, glasses are often collateral damage. 8. Tells you "no." Flickr: quinnanya / Via Creative Commons Yay! A preview of the teenage years. 9. Runs away from you in public. Flickr: ajay13 / Via Creative Commons This is also a milestone for you as it's the first time you yell, "Get back here right this instant!" 10. Harasses the family dog. Flickr: benmcleod / Via Creative Commons This is the first and only milestone your dog will notice. 11. Bonks their head on the counter. Flickr: bibbit / Via Creative Commons You'll think, "My baby has really grown! And needs a helmet." 12. Stands up in a shopping cart. View this photo on Instagram instagram.com It'll scare the crap out of you (and be the last time you forget to fasten the seatbelt). 13. Puts something nasty in their mouth. Flickr: 68295558@N05 / Via Creative Commons It's a milestone for their immune system, too. 14. Throws a batshit crazy tantrum in public. Flickr: brungrrl / Via Creative Commons The first one is always the worst. 15. Repeats a swear word. Flickr: sineadfriel / Via Creative Commons Your baby's first F-bomb is pretty much guaranteed to happen in front of your mother-in-law. 16. Opens the door to get outside. Flickr: debcll / Via Creative Commons It's time to use the deadbolt, parents. 17. Pulls off their own diaper. Flickr: deepfrieddaddy / Via Creative Commons Once this happens you'll be like, "Time to potty train this kid. STAT."