1. When the bouncy seat will not bounce anymore because his bum is skimming the ground.
2. When the swing just groans and will not swing anymore
3. When you bounce him and his cheeks make little flapping noises
4. After a bath you have to air out each little roll because they are getting sores
5. When you take him for a 2 month checkup and the doctor just keeps saying, "wow he is healthy".
6. Last but not least when you just want squeeze him all the time cause you like to see your hands disapear in his gooey tummy.