Few things are more life-changing than having kids, as these 17 photos demonstrate. Whether or not you have kids yourself, these pics will remind you of old times or show you what you have to look forward to.

1. This is what parenting feels like, in a nutshell.

2. From party animal to professional hairstylist.

3. She wanted one of these pictures taken way more than the other.

4. From “let’s stay up all night” to “I can’t believe the baby kept us up all night.”

5. Oh, how things change.

6. This young girl hasn’t even turned five-years-old and she’s already a mother.

7. Raising a future party animal.

8. Dads make great ice cream catchers.

9. Get used to it. No food is safe anymore.

10. Other parents: I feel like my kid is holding me prisoner.

Them:

11. The cat got a demotion.

12. From “sexiest man alive” to sticker sheet.

13. A ladies man through and through.

14. There’s nothing more metal than waking your dad up at 6 am.

15. Kids make for great strength training.

16. She’s still got time to sneak a drink.

17. If you’re that old and sleeping in a race car bed, something either went right or went really wrong.