Parenting is tough. It starts out cute and cuddly, and then the kids grow up. And they become unappreciative creatures that take advantage of you. These 13 parents are not having any of that. Maybe you can learn a thing or two. Check it out:

1. This mom who's tired of her kid's messiness.

2. This mom who doesn't want unwanted grandkids.

3. This mom who just had enough.

4. This mom who decided to take out an ad to wish her daughter birthday. There's a sad twist. Call you parents, you ungrateful creatures!

5. This dad who'll keep trying.

6. This dad who has the best advice on girls.

7. This mom with a sense of humor.

8. This mom who tried to be subtle about her son's porn-surfing habits.

9. The parents that know what's more important to the kids than food in the house.

10. The sarcastic mother.

11. This mom:

12. These parents that just need some sleep.

13. This awkward message from mom. Very, very awkward. What would you do if you got this?